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Finding the Fourth Proportional to 39,354.16, 59,039.88 and 11,654.32

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Solution

The fourth proportional to 39,354.16, 59,039.88 and 11,654.32 is: 17,484.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,354.16 : 59,039.88 = 11,654.32 : x
  2. Step 2: Convert to fraction form
    39,354.16/59,039.88 = 11,654.32/x
  3. Step 3: Cross multiply
    39,354.16x = 59,039.88 × 11,654.32
  4. Step 4: Simplify right side
    39,354.16x = 688,069,654.28
  5. Step 5: Solve for x
    x = 688,069,654.28/39,354.16
  6. Step 6: Final answer
    x = 17,484.04

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