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Finding the Fourth Proportional to 23,765.32, 35,648.39 and 8,981.20

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Solution

The fourth proportional to 23,765.32, 35,648.39 and 8,981.20 is: 13,471.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,765.32 : 35,648.39 = 8,981.20 : x
  2. Step 2: Convert to fraction form
    23,765.32/35,648.39 = 8,981.20/x
  3. Step 3: Cross multiply
    23,765.32x = 35,648.39 × 8,981.20
  4. Step 4: Simplify right side
    23,765.32x = 320,165,320.27
  5. Step 5: Solve for x
    x = 320,165,320.27/23,765.32
  6. Step 6: Final answer
    x = 13,471.95

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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.