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Finding the Fourth Proportional to 60,863.58, 84,359.87 and 57,359.57

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Solution

The fourth proportional to 60,863.58, 84,359.87 and 57,359.57 is: 79,503.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,863.58 : 84,359.87 = 57,359.57 : x
  2. Step 2: Convert to fraction form
    60,863.58/84,359.87 = 57,359.57/x
  3. Step 3: Cross multiply
    60,863.58x = 84,359.87 × 57,359.57
  4. Step 4: Simplify right side
    60,863.58x = 4,838,845,159.86
  5. Step 5: Solve for x
    x = 4,838,845,159.86/60,863.58
  6. Step 6: Final answer
    x = 79,503.13

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.