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Finding the Fourth Proportional to 71,630.10, 98,818.92 and 44,754.30

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Solution

The fourth proportional to 71,630.10, 98,818.92 and 44,754.30 is: 61,741.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,630.10 : 98,818.92 = 44,754.30 : x
  2. Step 2: Convert to fraction form
    71,630.10/98,818.92 = 44,754.30/x
  3. Step 3: Cross multiply
    71,630.10x = 98,818.92 × 44,754.30
  4. Step 4: Simplify right side
    71,630.10x = 4,422,571,591.36
  5. Step 5: Solve for x
    x = 4,422,571,591.36/71,630.10
  6. Step 6: Final answer
    x = 61,741.80

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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.