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Finding the Fourth Proportional to 63,668.68, 87,771.54 and 44,747.08

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Solution

The fourth proportional to 63,668.68, 87,771.54 and 44,747.08 is: 61,686.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,668.68 : 87,771.54 = 44,747.08 : x
  2. Step 2: Convert to fraction form
    63,668.68/87,771.54 = 44,747.08/x
  3. Step 3: Cross multiply
    63,668.68x = 87,771.54 × 44,747.08
  4. Step 4: Simplify right side
    63,668.68x = 3,927,520,122.10
  5. Step 5: Solve for x
    x = 3,927,520,122.10/63,668.68
  6. Step 6: Final answer
    x = 61,686.85

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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.