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Finding the Fourth Proportional to 38,597.92, 57,888.78 and 10,889.44

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Solution

The fourth proportional to 38,597.92, 57,888.78 and 10,889.44 is: 16,331.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,597.92 : 57,888.78 = 10,889.44 : x
  2. Step 2: Convert to fraction form
    38,597.92/57,888.78 = 10,889.44/x
  3. Step 3: Cross multiply
    38,597.92x = 57,888.78 × 10,889.44
  4. Step 4: Simplify right side
    38,597.92x = 630,376,210.93
  5. Step 5: Solve for x
    x = 630,376,210.93/38,597.92
  6. Step 6: Final answer
    x = 16,331.87

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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.