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Finding the Fourth Proportional to 53,998.92, 81,025.71 and 36,431.85

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Solution

The fourth proportional to 53,998.92, 81,025.71 and 36,431.85 is: 54,666.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,998.92 : 81,025.71 = 36,431.85 : x
  2. Step 2: Convert to fraction form
    53,998.92/81,025.71 = 36,431.85/x
  3. Step 3: Cross multiply
    53,998.92x = 81,025.71 × 36,431.85
  4. Step 4: Simplify right side
    53,998.92x = 2,951,916,512.86
  5. Step 5: Solve for x
    x = 2,951,916,512.86/53,998.92
  6. Step 6: Final answer
    x = 54,666.21

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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.