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Finding the Fourth Proportional to 5,989.38, 8,981.90 and 2,526.90

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Solution

The fourth proportional to 5,989.38, 8,981.90 and 2,526.90 is: 3,789.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,989.38 : 8,981.90 = 2,526.90 : x
  2. Step 2: Convert to fraction form
    5,989.38/8,981.90 = 2,526.90/x
  3. Step 3: Cross multiply
    5,989.38x = 8,981.90 × 2,526.90
  4. Step 4: Simplify right side
    5,989.38x = 22,696,363.11
  5. Step 5: Solve for x
    x = 22,696,363.11/5,989.38
  6. Step 6: Final answer
    x = 3,789.43

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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.