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Finding the Fourth Proportional to 38,269.88, 57,408.12 and 10,567.88

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Solution

The fourth proportional to 38,269.88, 57,408.12 and 10,567.88 is: 15,852.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,269.88 : 57,408.12 = 10,567.88 : x
  2. Step 2: Convert to fraction form
    38,269.88/57,408.12 = 10,567.88/x
  3. Step 3: Cross multiply
    38,269.88x = 57,408.12 × 10,567.88
  4. Step 4: Simplify right side
    38,269.88x = 606,681,836.15
  5. Step 5: Solve for x
    x = 606,681,836.15/38,269.88
  6. Step 6: Final answer
    x = 15,852.73

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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.