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Finding the Fourth Proportional to 47,780.88, 71,486.01 and 34,484.46

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Solution

The fourth proportional to 47,780.88, 71,486.01 and 34,484.46 is: 51,592.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,780.88 : 71,486.01 = 34,484.46 : x
  2. Step 2: Convert to fraction form
    47,780.88/71,486.01 = 34,484.46/x
  3. Step 3: Cross multiply
    47,780.88x = 71,486.01 × 34,484.46
  4. Step 4: Simplify right side
    47,780.88x = 2,465,156,452.40
  5. Step 5: Solve for x
    x = 2,465,156,452.40/47,780.88
  6. Step 6: Final answer
    x = 51,592.95

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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.