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Finding the Fourth Proportional to 40,601.74, 60,901.88 and 15,647.20

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Solution

The fourth proportional to 40,601.74, 60,901.88 and 15,647.20 is: 23,470.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,601.74 : 60,901.88 = 15,647.20 : x
  2. Step 2: Convert to fraction form
    40,601.74/60,901.88 = 15,647.20/x
  3. Step 3: Cross multiply
    40,601.74x = 60,901.88 × 15,647.20
  4. Step 4: Simplify right side
    40,601.74x = 952,943,896.74
  5. Step 5: Solve for x
    x = 952,943,896.74/40,601.74
  6. Step 6: Final answer
    x = 23,470.52

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1.5x scale

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.