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Finding the Fourth Proportional to 38,443.40, 57,665.10 and 16,249.40

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Solution

The fourth proportional to 38,443.40, 57,665.10 and 16,249.40 is: 24,374.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,443.40 : 57,665.10 = 16,249.40 : x
  2. Step 2: Convert to fraction form
    38,443.40/57,665.10 = 16,249.40/x
  3. Step 3: Cross multiply
    38,443.40x = 57,665.10 × 16,249.40
  4. Step 4: Simplify right side
    38,443.40x = 937,023,275.94
  5. Step 5: Solve for x
    x = 937,023,275.94/38,443.40
  6. Step 6: Final answer
    x = 24,374.10

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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.