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Finding the Fourth Proportional to 21,586.38, 32,377.38 and 6,794.88

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Solution

The fourth proportional to 21,586.38, 32,377.38 and 6,794.88 is: 10,191.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,586.38 : 32,377.38 = 6,794.88 : x
  2. Step 2: Convert to fraction form
    21,586.38/32,377.38 = 6,794.88/x
  3. Step 3: Cross multiply
    21,586.38x = 32,377.38 × 6,794.88
  4. Step 4: Simplify right side
    21,586.38x = 220,000,411.81
  5. Step 5: Solve for x
    x = 220,000,411.81/21,586.38
  6. Step 6: Final answer
    x = 10,191.63

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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.