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Finding the Fourth Proportional to 63,673.68, 87,864.54 and 36,817.93

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Solution

The fourth proportional to 63,673.68, 87,864.54 and 36,817.93 is: 50,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,673.68 : 87,864.54 = 36,817.93 : x
  2. Step 2: Convert to fraction form
    63,673.68/87,864.54 = 36,817.93/x
  3. Step 3: Cross multiply
    63,673.68x = 87,864.54 × 36,817.93
  4. Step 4: Simplify right side
    63,673.68x = 3,234,990,125.47
  5. Step 5: Solve for x
    x = 3,234,990,125.47/63,673.68
  6. Step 6: Final answer
    x = 50,805.77

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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.