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Finding the Fourth Proportional to 66,010.92, 99,042.30 and 29,049

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Solution

The fourth proportional to 66,010.92, 99,042.30 and 29,049 is: 43,584.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,010.92 : 99,042.30 = 29,049 : x
  2. Step 2: Convert to fraction form
    66,010.92/99,042.30 = 29,049/x
  3. Step 3: Cross multiply
    66,010.92x = 99,042.30 × 29,049
  4. Step 4: Simplify right side
    66,010.92x = 2,877,079,772.70
  5. Step 5: Solve for x
    x = 2,877,079,772.70/66,010.92
  6. Step 6: Final answer
    x = 43,584.91

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1.5x scale

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.