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Finding the Fourth Proportional to 61,880.27, 85,394.87 and 33,585.97

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Solution

The fourth proportional to 61,880.27, 85,394.87 and 33,585.97 is: 46,348.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,880.27 : 85,394.87 = 33,585.97 : x
  2. Step 2: Convert to fraction form
    61,880.27/85,394.87 = 33,585.97/x
  3. Step 3: Cross multiply
    61,880.27x = 85,394.87 × 33,585.97
  4. Step 4: Simplify right side
    61,880.27x = 2,868,068,947.07
  5. Step 5: Solve for x
    x = 2,868,068,947.07/61,880.27
  6. Step 6: Final answer
    x = 46,348.68

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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.