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Finding the Fourth Proportional to 64,382.52, 88,847.76 and 36,088.20

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Solution

The fourth proportional to 64,382.52, 88,847.76 and 36,088.20 is: 49,801.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,382.52 : 88,847.76 = 36,088.20 : x
  2. Step 2: Convert to fraction form
    64,382.52/88,847.76 = 36,088.20/x
  3. Step 3: Cross multiply
    64,382.52x = 88,847.76 × 36,088.20
  4. Step 4: Simplify right side
    64,382.52x = 3,206,355,732.43
  5. Step 5: Solve for x
    x = 3,206,355,732.43/64,382.52
  6. Step 6: Final answer
    x = 49,801.65

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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.