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Finding the Fourth Proportional to 71,311.38, 98,454.51 and 45,829.14

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Solution

The fourth proportional to 71,311.38, 98,454.51 and 45,829.14 is: 63,273.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,311.38 : 98,454.51 = 45,829.14 : x
  2. Step 2: Convert to fraction form
    71,311.38/98,454.51 = 45,829.14/x
  3. Step 3: Cross multiply
    71,311.38x = 98,454.51 × 45,829.14
  4. Step 4: Simplify right side
    71,311.38x = 4,512,085,522.42
  5. Step 5: Solve for x
    x = 4,512,085,522.42/71,311.38
  6. Step 6: Final answer
    x = 63,273.01

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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.