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Finding the Fourth Proportional to 63,105.95, 94,658.88 and 18,732.66

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Solution

The fourth proportional to 63,105.95, 94,658.88 and 18,732.66 is: 28,098.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,105.95 : 94,658.88 = 18,732.66 : x
  2. Step 2: Convert to fraction form
    63,105.95/94,658.88 = 18,732.66/x
  3. Step 3: Cross multiply
    63,105.95x = 94,658.88 × 18,732.66
  4. Step 4: Simplify right side
    63,105.95x = 1,773,212,615.02
  5. Step 5: Solve for x
    x = 1,773,212,615.02/63,105.95
  6. Step 6: Final answer
    x = 28,098.98

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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.