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Finding the Fourth Proportional to 60,372.91, 83,319.87 and 33,520.60

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Solution

The fourth proportional to 60,372.91, 83,319.87 and 33,520.60 is: 46,261.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,372.91 : 83,319.87 = 33,520.60 : x
  2. Step 2: Convert to fraction form
    60,372.91/83,319.87 = 33,520.60/x
  3. Step 3: Cross multiply
    60,372.91x = 83,319.87 × 33,520.60
  4. Step 4: Simplify right side
    60,372.91x = 2,792,932,034.32
  5. Step 5: Solve for x
    x = 2,792,932,034.32/60,372.91
  6. Step 6: Final answer
    x = 46,261.35

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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.