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Finding the Fourth Proportional to 44,631.70, 66,900.84 and 15,039.31

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Solution

The fourth proportional to 44,631.70, 66,900.84 and 15,039.31 is: 22,543.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,631.70 : 66,900.84 = 15,039.31 : x
  2. Step 2: Convert to fraction form
    44,631.70/66,900.84 = 15,039.31/x
  3. Step 3: Cross multiply
    44,631.70x = 66,900.84 × 15,039.31
  4. Step 4: Simplify right side
    44,631.70x = 1,006,142,472.02
  5. Step 5: Solve for x
    x = 1,006,142,472.02/44,631.70
  6. Step 6: Final answer
    x = 22,543.23

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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.