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Finding the Fourth Proportional to 61,660.80, 92,342.10 and 35,285.58

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Solution

The fourth proportional to 61,660.80, 92,342.10 and 35,285.58 is: 52,843.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,660.80 : 92,342.10 = 35,285.58 : x
  2. Step 2: Convert to fraction form
    61,660.80/92,342.10 = 35,285.58/x
  3. Step 3: Cross multiply
    61,660.80x = 92,342.10 × 35,285.58
  4. Step 4: Simplify right side
    61,660.80x = 3,258,344,556.92
  5. Step 5: Solve for x
    x = 3,258,344,556.92/61,660.80
  6. Step 6: Final answer
    x = 52,843.05

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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.