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Finding the Fourth Proportional to 38,468.52, 57,713.40 and 16,270.20

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Solution

The fourth proportional to 38,468.52, 57,713.40 and 16,270.20 is: 24,409.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,468.52 : 57,713.40 = 16,270.20 : x
  2. Step 2: Convert to fraction form
    38,468.52/57,713.40 = 16,270.20/x
  3. Step 3: Cross multiply
    38,468.52x = 57,713.40 × 16,270.20
  4. Step 4: Simplify right side
    38,468.52x = 939,008,560.68
  5. Step 5: Solve for x
    x = 939,008,560.68/38,468.52
  6. Step 6: Final answer
    x = 24,409.79

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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.