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Finding the Fourth Proportional to 67,793.52, 101,690.30 and 18,545.52

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Solution

The fourth proportional to 67,793.52, 101,690.30 and 18,545.52 is: 27,818.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,793.52 : 101,690.30 = 18,545.52 : x
  2. Step 2: Convert to fraction form
    67,793.52/101,690.30 = 18,545.52/x
  3. Step 3: Cross multiply
    67,793.52x = 101,690.30 × 18,545.52
  4. Step 4: Simplify right side
    67,793.52x = 1,885,899,492.46
  5. Step 5: Solve for x
    x = 1,885,899,492.46/67,793.52
  6. Step 6: Final answer
    x = 27,818.29

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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.