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Finding the Fourth Proportional to 63,079.40, 94,575.90 and 29,815.40

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Solution

The fourth proportional to 63,079.40, 94,575.90 and 29,815.40 is: 44,702.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,079.40 : 94,575.90 = 29,815.40 : x
  2. Step 2: Convert to fraction form
    63,079.40/94,575.90 = 29,815.40/x
  3. Step 3: Cross multiply
    63,079.40x = 94,575.90 × 29,815.40
  4. Step 4: Simplify right side
    63,079.40x = 2,819,818,288.86
  5. Step 5: Solve for x
    x = 2,819,818,288.86/63,079.40
  6. Step 6: Final answer
    x = 44,702.68

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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.