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Finding the Fourth Proportional to 32,642.29, 45,043.90 and 18,494.83

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Solution

The fourth proportional to 32,642.29, 45,043.90 and 18,494.83 is: 25,521.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,642.29 : 45,043.90 = 18,494.83 : x
  2. Step 2: Convert to fraction form
    32,642.29/45,043.90 = 18,494.83/x
  3. Step 3: Cross multiply
    32,642.29x = 45,043.90 × 18,494.83
  4. Step 4: Simplify right side
    32,642.29x = 833,079,273.04
  5. Step 5: Solve for x
    x = 833,079,273.04/32,642.29
  6. Step 6: Final answer
    x = 25,521.47

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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.