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Finding the Fourth Proportional to 61,304.64, 84,594.96 and 37,422.60

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Solution

The fourth proportional to 61,304.64, 84,594.96 and 37,422.60 is: 51,639.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,304.64 : 84,594.96 = 37,422.60 : x
  2. Step 2: Convert to fraction form
    61,304.64/84,594.96 = 37,422.60/x
  3. Step 3: Cross multiply
    61,304.64x = 84,594.96 × 37,422.60
  4. Step 4: Simplify right side
    61,304.64x = 3,165,763,350.10
  5. Step 5: Solve for x
    x = 3,165,763,350.10/61,304.64
  6. Step 6: Final answer
    x = 51,639.87

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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.