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Finding the Fourth Proportional to 61,652.92, 85,080.90 and 33,358.60

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Solution

The fourth proportional to 61,652.92, 85,080.90 and 33,358.60 is: 46,034.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,652.92 : 85,080.90 = 33,358.60 : x
  2. Step 2: Convert to fraction form
    61,652.92/85,080.90 = 33,358.60/x
  3. Step 3: Cross multiply
    61,652.92x = 85,080.90 × 33,358.60
  4. Step 4: Simplify right side
    61,652.92x = 2,838,179,710.74
  5. Step 5: Solve for x
    x = 2,838,179,710.74/61,652.92
  6. Step 6: Final answer
    x = 46,034.80

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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.