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Finding the Fourth Proportional to 61,560.72, 84,943.08 and 36,401.04

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Solution

The fourth proportional to 61,560.72, 84,943.08 and 36,401.04 is: 50,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,560.72 : 84,943.08 = 36,401.04 : x
  2. Step 2: Convert to fraction form
    61,560.72/84,943.08 = 36,401.04/x
  3. Step 3: Cross multiply
    61,560.72x = 84,943.08 × 36,401.04
  4. Step 4: Simplify right side
    61,560.72x = 3,092,016,452.80
  5. Step 5: Solve for x
    x = 3,092,016,452.80/61,560.72
  6. Step 6: Final answer
    x = 50,227.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.