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Finding the Fourth Proportional to 61,046.92, 91,570.62 and 21,604.04

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Solution

The fourth proportional to 61,046.92, 91,570.62 and 21,604.04 is: 32,406.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,046.92 : 91,570.62 = 21,604.04 : x
  2. Step 2: Convert to fraction form
    61,046.92/91,570.62 = 21,604.04/x
  3. Step 3: Cross multiply
    61,046.92x = 91,570.62 × 21,604.04
  4. Step 4: Simplify right side
    61,046.92x = 1,978,295,337.30
  5. Step 5: Solve for x
    x = 1,978,295,337.30/61,046.92
  6. Step 6: Final answer
    x = 32,406.14

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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.