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Finding the Fourth Proportional to 44,869.92, 67,305.96 and 21,470.64

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Solution

The fourth proportional to 44,869.92, 67,305.96 and 21,470.64 is: 32,206.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,869.92 : 67,305.96 = 21,470.64 : x
  2. Step 2: Convert to fraction form
    44,869.92/67,305.96 = 21,470.64/x
  3. Step 3: Cross multiply
    44,869.92x = 67,305.96 × 21,470.64
  4. Step 4: Simplify right side
    44,869.92x = 1,445,102,037.01
  5. Step 5: Solve for x
    x = 1,445,102,037.01/44,869.92
  6. Step 6: Final answer
    x = 32,206.48

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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.