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Finding the Fourth Proportional to 9,290,232.90, 13,935,349.35 and 9,290,232.90

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Solution

The fourth proportional to 9,290,232.90, 13,935,349.35 and 9,290,232.90 is: 13,935,349.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,290,232.90 : 13,935,349.35 = 9,290,232.90 : x
  2. Step 2: Convert to fraction form
    9,290,232.90/13,935,349.35 = 9,290,232.90/x
  3. Step 3: Cross multiply
    9,290,232.90x = 13,935,349.35 × 9,290,232.90
  4. Step 4: Simplify right side
    9,290,232.90x = 129,462,641,004,363.61
  5. Step 5: Solve for x
    x = 129,462,641,004,363.61/9,290,232.90
  6. Step 6: Final answer
    x = 13,935,349.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.