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Finding the Fourth Proportional to 60,718.52, 91,082.62 and 18,601.94

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Solution

The fourth proportional to 60,718.52, 91,082.62 and 18,601.94 is: 27,904.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,718.52 : 91,082.62 = 18,601.94 : x
  2. Step 2: Convert to fraction form
    60,718.52/91,082.62 = 18,601.94/x
  3. Step 3: Cross multiply
    60,718.52x = 91,082.62 × 18,601.94
  4. Step 4: Simplify right side
    60,718.52x = 1,694,313,432.28
  5. Step 5: Solve for x
    x = 1,694,313,432.28/60,718.52
  6. Step 6: Final answer
    x = 27,904.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.