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Finding the Fourth Proportional to 24,305.70, 36,458.55 and 8,721.30

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Solution

The fourth proportional to 24,305.70, 36,458.55 and 8,721.30 is: 13,081.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,305.70 : 36,458.55 = 8,721.30 : x
  2. Step 2: Convert to fraction form
    24,305.70/36,458.55 = 8,721.30/x
  3. Step 3: Cross multiply
    24,305.70x = 36,458.55 × 8,721.30
  4. Step 4: Simplify right side
    24,305.70x = 317,965,952.12
  5. Step 5: Solve for x
    x = 317,965,952.12/24,305.70
  6. Step 6: Final answer
    x = 13,081.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.