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Finding the Fourth Proportional to 69,872.66, 96,424.70 and 38,041.88

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Solution

The fourth proportional to 69,872.66, 96,424.70 and 38,041.88 is: 52,498.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,872.66 : 96,424.70 = 38,041.88 : x
  2. Step 2: Convert to fraction form
    69,872.66/96,424.70 = 38,041.88/x
  3. Step 3: Cross multiply
    69,872.66x = 96,424.70 × 38,041.88
  4. Step 4: Simplify right side
    69,872.66x = 3,668,176,194.10
  5. Step 5: Solve for x
    x = 3,668,176,194.10/69,872.66
  6. Step 6: Final answer
    x = 52,498.02

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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.