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Finding the Fourth Proportional to 9,488.30, 14,232.45 and 8,840.30

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Solution

The fourth proportional to 9,488.30, 14,232.45 and 8,840.30 is: 13,260.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,488.30 : 14,232.45 = 8,840.30 : x
  2. Step 2: Convert to fraction form
    9,488.30/14,232.45 = 8,840.30/x
  3. Step 3: Cross multiply
    9,488.30x = 14,232.45 × 8,840.30
  4. Step 4: Simplify right side
    9,488.30x = 125,819,127.74
  5. Step 5: Solve for x
    x = 125,819,127.74/9,488.30
  6. Step 6: Final answer
    x = 13,260.45

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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.