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Finding the Fourth Proportional to 41,899.70, 62,870.03 and 19,715.28

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Solution

The fourth proportional to 41,899.70, 62,870.03 and 19,715.28 is: 29,582.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,899.70 : 62,870.03 = 19,715.28 : x
  2. Step 2: Convert to fraction form
    41,899.70/62,870.03 = 19,715.28/x
  3. Step 3: Cross multiply
    41,899.70x = 62,870.03 × 19,715.28
  4. Step 4: Simplify right side
    41,899.70x = 1,239,500,245.06
  5. Step 5: Solve for x
    x = 1,239,500,245.06/41,899.70
  6. Step 6: Final answer
    x = 29,582.56

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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.