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Finding the Fourth Proportional to 47,393.97, 71,372.22 and 42,203.49

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Solution

The fourth proportional to 47,393.97, 71,372.22 and 42,203.49 is: 63,555.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,393.97 : 71,372.22 = 42,203.49 : x
  2. Step 2: Convert to fraction form
    47,393.97/71,372.22 = 42,203.49/x
  3. Step 3: Cross multiply
    47,393.97x = 71,372.22 × 42,203.49
  4. Step 4: Simplify right side
    47,393.97x = 3,012,156,773.05
  5. Step 5: Solve for x
    x = 3,012,156,773.05/47,393.97
  6. Step 6: Final answer
    x = 63,555.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.