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Finding the Fourth Proportional to 63,384, 95,069.79 and 16,636.87

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Solution

The fourth proportional to 63,384, 95,069.79 and 16,636.87 is: 24,953.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,384 : 95,069.79 = 16,636.87 : x
  2. Step 2: Convert to fraction form
    63,384/95,069.79 = 16,636.87/x
  3. Step 3: Cross multiply
    63,384x = 95,069.79 × 16,636.87
  4. Step 4: Simplify right side
    63,384x = 1,581,663,737.16
  5. Step 5: Solve for x
    x = 1,581,663,737.16/63,384
  6. Step 6: Final answer
    x = 24,953.68

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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.