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Finding the Fourth Proportional to 32,685.12, 48,964.64 and 26,793.92

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Solution

The fourth proportional to 32,685.12, 48,964.64 and 26,793.92 is: 40,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,685.12 : 48,964.64 = 26,793.92 : x
  2. Step 2: Convert to fraction form
    32,685.12/48,964.64 = 26,793.92/x
  3. Step 3: Cross multiply
    32,685.12x = 48,964.64 × 26,793.92
  4. Step 4: Simplify right side
    32,685.12x = 1,311,954,646.99
  5. Step 5: Solve for x
    x = 1,311,954,646.99/32,685.12
  6. Step 6: Final answer
    x = 40,139.20

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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.