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Finding the Fourth Proportional to 57,988.70, 80,023.05 and 34,116.91

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Solution

The fourth proportional to 57,988.70, 80,023.05 and 34,116.91 is: 47,080.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,988.70 : 80,023.05 = 34,116.91 : x
  2. Step 2: Convert to fraction form
    57,988.70/80,023.05 = 34,116.91/x
  3. Step 3: Cross multiply
    57,988.70x = 80,023.05 × 34,116.91
  4. Step 4: Simplify right side
    57,988.70x = 2,730,138,866.78
  5. Step 5: Solve for x
    x = 2,730,138,866.78/57,988.70
  6. Step 6: Final answer
    x = 47,080.53

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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.