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Finding the Fourth Proportional to 18,008.73, 24,822.31 and 12,038.22

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Solution

The fourth proportional to 18,008.73, 24,822.31 and 12,038.22 is: 16,592.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,008.73 : 24,822.31 = 12,038.22 : x
  2. Step 2: Convert to fraction form
    18,008.73/24,822.31 = 12,038.22/x
  3. Step 3: Cross multiply
    18,008.73x = 24,822.31 × 12,038.22
  4. Step 4: Simplify right side
    18,008.73x = 298,816,514.25
  5. Step 5: Solve for x
    x = 298,816,514.25/18,008.73
  6. Step 6: Final answer
    x = 16,592.87

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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.