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Finding the Fourth Proportional to 28,882.70, 43,324.05 and 14,101.10

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Solution

The fourth proportional to 28,882.70, 43,324.05 and 14,101.10 is: 21,151.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,882.70 : 43,324.05 = 14,101.10 : x
  2. Step 2: Convert to fraction form
    28,882.70/43,324.05 = 14,101.10/x
  3. Step 3: Cross multiply
    28,882.70x = 43,324.05 × 14,101.10
  4. Step 4: Simplify right side
    28,882.70x = 610,916,761.46
  5. Step 5: Solve for x
    x = 610,916,761.46/28,882.70
  6. Step 6: Final answer
    x = 21,151.65

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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.