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Finding the Fourth Proportional to 32,671.20, 48,974.40 and 15,110.40

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Solution

The fourth proportional to 32,671.20, 48,974.40 and 15,110.40 is: 22,650.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,671.20 : 48,974.40 = 15,110.40 : x
  2. Step 2: Convert to fraction form
    32,671.20/48,974.40 = 15,110.40/x
  3. Step 3: Cross multiply
    32,671.20x = 48,974.40 × 15,110.40
  4. Step 4: Simplify right side
    32,671.20x = 740,022,773.76
  5. Step 5: Solve for x
    x = 740,022,773.76/32,671.20
  6. Step 6: Final answer
    x = 22,650.62

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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.