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Finding the Fourth Proportional to 38,372.87, 57,453.02 and 19,612.50

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Solution

The fourth proportional to 38,372.87, 57,453.02 and 19,612.50 is: 29,364.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,372.87 : 57,453.02 = 19,612.50 : x
  2. Step 2: Convert to fraction form
    38,372.87/57,453.02 = 19,612.50/x
  3. Step 3: Cross multiply
    38,372.87x = 57,453.02 × 19,612.50
  4. Step 4: Simplify right side
    38,372.87x = 1,126,797,400.32
  5. Step 5: Solve for x
    x = 1,126,797,400.32/38,372.87
  6. Step 6: Final answer
    x = 29,364.43

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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.