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Finding the Fourth Proportional to 38,586.87, 57,882.56 and 14,894.54

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Solution

The fourth proportional to 38,586.87, 57,882.56 and 14,894.54 is: 22,342.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,586.87 : 57,882.56 = 14,894.54 : x
  2. Step 2: Convert to fraction form
    38,586.87/57,882.56 = 14,894.54/x
  3. Step 3: Cross multiply
    38,586.87x = 57,882.56 × 14,894.54
  4. Step 4: Simplify right side
    38,586.87x = 862,133,958.40
  5. Step 5: Solve for x
    x = 862,133,958.40/38,586.87
  6. Step 6: Final answer
    x = 22,342.68

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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.