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Finding the Fourth Proportional to 32,808.38, 45,274.76 and 18,660.32

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Solution

The fourth proportional to 32,808.38, 45,274.76 and 18,660.32 is: 25,750.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,808.38 : 45,274.76 = 18,660.32 : x
  2. Step 2: Convert to fraction form
    32,808.38/45,274.76 = 18,660.32/x
  3. Step 3: Cross multiply
    32,808.38x = 45,274.76 × 18,660.32
  4. Step 4: Simplify right side
    32,808.38x = 844,841,509.52
  5. Step 5: Solve for x
    x = 844,841,509.52/32,808.38
  6. Step 6: Final answer
    x = 25,750.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.