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Finding the Fourth Proportional to 71,480.58, 98,641.29 and 41,264.88

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Solution

The fourth proportional to 71,480.58, 98,641.29 and 41,264.88 is: 56,944.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,480.58 : 98,641.29 = 41,264.88 : x
  2. Step 2: Convert to fraction form
    71,480.58/98,641.29 = 41,264.88/x
  3. Step 3: Cross multiply
    71,480.58x = 98,641.29 × 41,264.88
  4. Step 4: Simplify right side
    71,480.58x = 4,070,420,501.69
  5. Step 5: Solve for x
    x = 4,070,420,501.69/71,480.58
  6. Step 6: Final answer
    x = 56,944.43

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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.