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Finding the Fourth Proportional to 39,291.60, 58,937.60 and 9,710.04

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Solution

The fourth proportional to 39,291.60, 58,937.60 and 9,710.04 is: 14,565.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,291.60 : 58,937.60 = 9,710.04 : x
  2. Step 2: Convert to fraction form
    39,291.60/58,937.60 = 9,710.04/x
  3. Step 3: Cross multiply
    39,291.60x = 58,937.60 × 9,710.04
  4. Step 4: Simplify right side
    39,291.60x = 572,286,453.50
  5. Step 5: Solve for x
    x = 572,286,453.50/39,291.60
  6. Step 6: Final answer
    x = 14,565.11

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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.