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Finding the Fourth Proportional to 32,439.83, 48,659.13 and 19,793.30

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Solution

The fourth proportional to 32,439.83, 48,659.13 and 19,793.30 is: 29,689.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,439.83 : 48,659.13 = 19,793.30 : x
  2. Step 2: Convert to fraction form
    32,439.83/48,659.13 = 19,793.30/x
  3. Step 3: Cross multiply
    32,439.83x = 48,659.13 × 19,793.30
  4. Step 4: Simplify right side
    32,439.83x = 963,124,514.53
  5. Step 5: Solve for x
    x = 963,124,514.53/32,439.83
  6. Step 6: Final answer
    x = 29,689.57

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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.