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Finding the Fourth Proportional to 71,326.76, 98,456.84 and 41,518.76

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Solution

The fourth proportional to 71,326.76, 98,456.84 and 41,518.76 is: 57,310.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,326.76 : 98,456.84 = 41,518.76 : x
  2. Step 2: Convert to fraction form
    71,326.76/98,456.84 = 41,518.76/x
  3. Step 3: Cross multiply
    71,326.76x = 98,456.84 × 41,518.76
  4. Step 4: Simplify right side
    71,326.76x = 4,087,805,910.32
  5. Step 5: Solve for x
    x = 4,087,805,910.32/71,326.76
  6. Step 6: Final answer
    x = 57,310.97

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1.5x scale

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.