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Finding the Fourth Proportional to 63,472.16, 95,217.96 and 16,728.68

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Solution

The fourth proportional to 63,472.16, 95,217.96 and 16,728.68 is: 25,095.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,472.16 : 95,217.96 = 16,728.68 : x
  2. Step 2: Convert to fraction form
    63,472.16/95,217.96 = 16,728.68/x
  3. Step 3: Cross multiply
    63,472.16x = 95,217.96 × 16,728.68
  4. Step 4: Simplify right side
    63,472.16x = 1,592,870,783.09
  5. Step 5: Solve for x
    x = 1,592,870,783.09/63,472.16
  6. Step 6: Final answer
    x = 25,095.58

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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.