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Finding the Fourth Proportional to 38,563.40, 57,747.90 and 25,344.20

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Solution

The fourth proportional to 38,563.40, 57,747.90 and 25,344.20 is: 37,952.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,563.40 : 57,747.90 = 25,344.20 : x
  2. Step 2: Convert to fraction form
    38,563.40/57,747.90 = 25,344.20/x
  3. Step 3: Cross multiply
    38,563.40x = 57,747.90 × 25,344.20
  4. Step 4: Simplify right side
    38,563.40x = 1,463,574,327.18
  5. Step 5: Solve for x
    x = 1,463,574,327.18/38,563.40
  6. Step 6: Final answer
    x = 37,952.42

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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.