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Finding the Fourth Proportional to 66,011.92, 99,043.80 and 29,050

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Solution

The fourth proportional to 66,011.92, 99,043.80 and 29,050 is: 43,586.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,011.92 : 99,043.80 = 29,050 : x
  2. Step 2: Convert to fraction form
    66,011.92/99,043.80 = 29,050/x
  3. Step 3: Cross multiply
    66,011.92x = 99,043.80 × 29,050
  4. Step 4: Simplify right side
    66,011.92x = 2,877,222,390
  5. Step 5: Solve for x
    x = 2,877,222,390/66,011.92
  6. Step 6: Final answer
    x = 43,586.41

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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.