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Finding the Fourth Proportional to 39,102.60, 58,654.02 and 9,520.44

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Solution

The fourth proportional to 39,102.60, 58,654.02 and 9,520.44 is: 14,280.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,102.60 : 58,654.02 = 9,520.44 : x
  2. Step 2: Convert to fraction form
    39,102.60/58,654.02 = 9,520.44/x
  3. Step 3: Cross multiply
    39,102.60x = 58,654.02 × 9,520.44
  4. Step 4: Simplify right side
    39,102.60x = 558,412,078.17
  5. Step 5: Solve for x
    x = 558,412,078.17/39,102.60
  6. Step 6: Final answer
    x = 14,280.69

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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.