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Finding the Fourth Proportional to 32,278.68, 48,419.22 and 8,906.88

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Solution

The fourth proportional to 32,278.68, 48,419.22 and 8,906.88 is: 13,360.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,278.68 : 48,419.22 = 8,906.88 : x
  2. Step 2: Convert to fraction form
    32,278.68/48,419.22 = 8,906.88/x
  3. Step 3: Cross multiply
    32,278.68x = 48,419.22 × 8,906.88
  4. Step 4: Simplify right side
    32,278.68x = 431,264,182.23
  5. Step 5: Solve for x
    x = 431,264,182.23/32,278.68
  6. Step 6: Final answer
    x = 13,360.65

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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.