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Finding the Fourth Proportional to 61,833.92, 85,330.24 and 33,539.52

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Solution

The fourth proportional to 61,833.92, 85,330.24 and 33,539.52 is: 46,284.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,833.92 : 85,330.24 = 33,539.52 : x
  2. Step 2: Convert to fraction form
    61,833.92/85,330.24 = 33,539.52/x
  3. Step 3: Cross multiply
    61,833.92x = 85,330.24 × 33,539.52
  4. Step 4: Simplify right side
    61,833.92x = 2,861,935,291.08
  5. Step 5: Solve for x
    x = 2,861,935,291.08/61,833.92
  6. Step 6: Final answer
    x = 46,284.23

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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.