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Finding the Fourth Proportional to 19,793.95, 29,691.12 and 5,002.87

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Solution

The fourth proportional to 19,793.95, 29,691.12 and 5,002.87 is: 7,504.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,793.95 : 29,691.12 = 5,002.87 : x
  2. Step 2: Convert to fraction form
    19,793.95/29,691.12 = 5,002.87/x
  3. Step 3: Cross multiply
    19,793.95x = 29,691.12 × 5,002.87
  4. Step 4: Simplify right side
    19,793.95x = 148,540,640.04
  5. Step 5: Solve for x
    x = 148,540,640.04/19,793.95
  6. Step 6: Final answer
    x = 7,504.35

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1.5x scale

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.