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Finding the Fourth Proportional to 63,658.74, 87,788.70 and 48,524.70

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Solution

The fourth proportional to 63,658.74, 87,788.70 and 48,524.70 is: 66,918.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,658.74 : 87,788.70 = 48,524.70 : x
  2. Step 2: Convert to fraction form
    63,658.74/87,788.70 = 48,524.70/x
  3. Step 3: Cross multiply
    63,658.74x = 87,788.70 × 48,524.70
  4. Step 4: Simplify right side
    63,658.74x = 4,259,920,330.89
  5. Step 5: Solve for x
    x = 4,259,920,330.89/63,658.74
  6. Step 6: Final answer
    x = 66,918.07

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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.