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Finding the Fourth Proportional to 66,260.25, 99,422.28 and 32,983.22

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Solution

The fourth proportional to 66,260.25, 99,422.28 and 32,983.22 is: 49,490.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,260.25 : 99,422.28 = 32,983.22 : x
  2. Step 2: Convert to fraction form
    66,260.25/99,422.28 = 32,983.22/x
  3. Step 3: Cross multiply
    66,260.25x = 99,422.28 × 32,983.22
  4. Step 4: Simplify right side
    66,260.25x = 3,279,267,182.70
  5. Step 5: Solve for x
    x = 3,279,267,182.70/66,260.25
  6. Step 6: Final answer
    x = 49,490.72

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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.