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Finding the Fourth Proportional to 61,350.72, 84,666.42 and 35,873.52

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Solution

The fourth proportional to 61,350.72, 84,666.42 and 35,873.52 is: 49,506.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,350.72 : 84,666.42 = 35,873.52 : x
  2. Step 2: Convert to fraction form
    61,350.72/84,666.42 = 35,873.52/x
  3. Step 3: Cross multiply
    61,350.72x = 84,666.42 × 35,873.52
  4. Step 4: Simplify right side
    61,350.72x = 3,037,282,511.20
  5. Step 5: Solve for x
    x = 3,037,282,511.20/61,350.72
  6. Step 6: Final answer
    x = 49,506.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.