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Finding the Fourth Proportional to 66,323.48, 99,454.50 and 21,942.04

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Solution

The fourth proportional to 66,323.48, 99,454.50 and 21,942.04 is: 32,902.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,323.48 : 99,454.50 = 21,942.04 : x
  2. Step 2: Convert to fraction form
    66,323.48/99,454.50 = 21,942.04/x
  3. Step 3: Cross multiply
    66,323.48x = 99,454.50 × 21,942.04
  4. Step 4: Simplify right side
    66,323.48x = 2,182,234,617.18
  5. Step 5: Solve for x
    x = 2,182,234,617.18/66,323.48
  6. Step 6: Final answer
    x = 32,902.90

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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.