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Finding the Fourth Proportional to 71,460.73, 98,608.70 and 41,255.80

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Solution

The fourth proportional to 71,460.73, 98,608.70 and 41,255.80 is: 56,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,460.73 : 98,608.70 = 41,255.80 : x
  2. Step 2: Convert to fraction form
    71,460.73/98,608.70 = 41,255.80/x
  3. Step 3: Cross multiply
    71,460.73x = 98,608.70 × 41,255.80
  4. Step 4: Simplify right side
    71,460.73x = 4,068,180,599.18
  5. Step 5: Solve for x
    x = 4,068,180,599.18/71,460.73
  6. Step 6: Final answer
    x = 56,928.90

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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.