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Finding the Fourth Proportional to 61,561.72, 84,944.46 and 36,402.04

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Solution

The fourth proportional to 61,561.72, 84,944.46 and 36,402.04 is: 50,228.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,561.72 : 84,944.46 = 36,402.04 : x
  2. Step 2: Convert to fraction form
    61,561.72/84,944.46 = 36,402.04/x
  3. Step 3: Cross multiply
    61,561.72x = 84,944.46 × 36,402.04
  4. Step 4: Simplify right side
    61,561.72x = 3,092,151,630.70
  5. Step 5: Solve for x
    x = 3,092,151,630.70/61,561.72
  6. Step 6: Final answer
    x = 50,228.48

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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.