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Finding the Fourth Proportional to 9,291,486.90, 13,937,230.35 and 9,291,486.90

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Solution

The fourth proportional to 9,291,486.90, 13,937,230.35 and 9,291,486.90 is: 13,937,230.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291,486.90 : 13,937,230.35 = 9,291,486.90 : x
  2. Step 2: Convert to fraction form
    9,291,486.90/13,937,230.35 = 9,291,486.90/x
  3. Step 3: Cross multiply
    9,291,486.90x = 13,937,230.35 × 9,291,486.90
  4. Step 4: Simplify right side
    9,291,486.90x = 129,497,593,219,307.42
  5. Step 5: Solve for x
    x = 129,497,593,219,307.42/9,291,486.90
  6. Step 6: Final answer
    x = 13,937,230.35

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Double scale
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Similar ratio
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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.