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Finding the Fourth Proportional to 71,364.48, 98,515.52 and 50,961.92

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Solution

The fourth proportional to 71,364.48, 98,515.52 and 50,961.92 is: 70,350.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,364.48 : 98,515.52 = 50,961.92 : x
  2. Step 2: Convert to fraction form
    71,364.48/98,515.52 = 50,961.92/x
  3. Step 3: Cross multiply
    71,364.48x = 98,515.52 × 50,961.92
  4. Step 4: Simplify right side
    71,364.48x = 5,020,540,049.00
  5. Step 5: Solve for x
    x = 5,020,540,049.00/71,364.48
  6. Step 6: Final answer
    x = 70,350.68

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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.