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Finding the Fourth Proportional to 60,134.40, 82,984.20 and 33,275.28

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Solution

The fourth proportional to 60,134.40, 82,984.20 and 33,275.28 is: 45,919.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,134.40 : 82,984.20 = 33,275.28 : x
  2. Step 2: Convert to fraction form
    60,134.40/82,984.20 = 33,275.28/x
  3. Step 3: Cross multiply
    60,134.40x = 82,984.20 × 33,275.28
  4. Step 4: Simplify right side
    60,134.40x = 2,761,322,490.58
  5. Step 5: Solve for x
    x = 2,761,322,490.58/60,134.40
  6. Step 6: Final answer
    x = 45,919.18

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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.