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Finding the Fourth Proportional to 30,959.62, 42,729.02 and 24,972.70

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Solution

The fourth proportional to 30,959.62, 42,729.02 and 24,972.70 is: 34,466.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,959.62 : 42,729.02 = 24,972.70 : x
  2. Step 2: Convert to fraction form
    30,959.62/42,729.02 = 24,972.70/x
  3. Step 3: Cross multiply
    30,959.62x = 42,729.02 × 24,972.70
  4. Step 4: Simplify right side
    30,959.62x = 1,067,058,997.75
  5. Step 5: Solve for x
    x = 1,067,058,997.75/30,959.62
  6. Step 6: Final answer
    x = 34,466.15

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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.