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Finding the Fourth Proportional to 71,549.75, 98,741.96 and 41,339.04

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Solution

The fourth proportional to 71,549.75, 98,741.96 and 41,339.04 is: 57,049.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,549.75 : 98,741.96 = 41,339.04 : x
  2. Step 2: Convert to fraction form
    71,549.75/98,741.96 = 41,339.04/x
  3. Step 3: Cross multiply
    71,549.75x = 98,741.96 × 41,339.04
  4. Step 4: Simplify right side
    71,549.75x = 4,081,897,627.42
  5. Step 5: Solve for x
    x = 4,081,897,627.42/71,549.75
  6. Step 6: Final answer
    x = 57,049.79

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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.