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Finding the Fourth Proportional to 60,954.38, 91,402.85 and 39,572.50

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Solution

The fourth proportional to 60,954.38, 91,402.85 and 39,572.50 is: 59,340.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,954.38 : 91,402.85 = 39,572.50 : x
  2. Step 2: Convert to fraction form
    60,954.38/91,402.85 = 39,572.50/x
  3. Step 3: Cross multiply
    60,954.38x = 91,402.85 × 39,572.50
  4. Step 4: Simplify right side
    60,954.38x = 3,617,038,626.75
  5. Step 5: Solve for x
    x = 3,617,038,626.75/60,954.38
  6. Step 6: Final answer
    x = 59,340.10

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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.