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Finding the Fourth Proportional to 38,592.75, 57,889.13 and 9,408.75

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Solution

The fourth proportional to 38,592.75, 57,889.13 and 9,408.75 is: 14,113.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,592.75 : 57,889.13 = 9,408.75 : x
  2. Step 2: Convert to fraction form
    38,592.75/57,889.13 = 9,408.75/x
  3. Step 3: Cross multiply
    38,592.75x = 57,889.13 × 9,408.75
  4. Step 4: Simplify right side
    38,592.75x = 544,664,304.84
  5. Step 5: Solve for x
    x = 544,664,304.84/38,592.75
  6. Step 6: Final answer
    x = 14,113.13

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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.