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Finding the Fourth Proportional to 61,654.73, 85,083.15 and 33,359.81

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Solution

The fourth proportional to 61,654.73, 85,083.15 and 33,359.81 is: 46,036.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,654.73 : 85,083.15 = 33,359.81 : x
  2. Step 2: Convert to fraction form
    61,654.73/85,083.15 = 33,359.81/x
  3. Step 3: Cross multiply
    61,654.73x = 85,083.15 × 33,359.81
  4. Step 4: Simplify right side
    61,654.73x = 2,838,357,292.79
  5. Step 5: Solve for x
    x = 2,838,357,292.79/61,654.73
  6. Step 6: Final answer
    x = 46,036.33

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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.