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Finding the Fourth Proportional to 38,065.92, 57,098.88 and 15,889.74

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Solution

The fourth proportional to 38,065.92, 57,098.88 and 15,889.74 is: 23,834.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,065.92 : 57,098.88 = 15,889.74 : x
  2. Step 2: Convert to fraction form
    38,065.92/57,098.88 = 15,889.74/x
  3. Step 3: Cross multiply
    38,065.92x = 57,098.88 × 15,889.74
  4. Step 4: Simplify right side
    38,065.92x = 907,286,357.49
  5. Step 5: Solve for x
    x = 907,286,357.49/38,065.92
  6. Step 6: Final answer
    x = 23,834.61

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Similar ratio
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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.