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Finding the Fourth Proportional to 32,691.23, 48,974.98 and 19,324.21

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Solution

The fourth proportional to 32,691.23, 48,974.98 and 19,324.21 is: 28,949.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,691.23 : 48,974.98 = 19,324.21 : x
  2. Step 2: Convert to fraction form
    32,691.23/48,974.98 = 19,324.21/x
  3. Step 3: Cross multiply
    32,691.23x = 48,974.98 × 19,324.21
  4. Step 4: Simplify right side
    32,691.23x = 946,402,553.39
  5. Step 5: Solve for x
    x = 946,402,553.39/32,691.23
  6. Step 6: Final answer
    x = 28,949.74

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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.