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Finding the Fourth Proportional to 18,377.42, 27,575.24 and 7,283.86

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Solution

The fourth proportional to 18,377.42, 27,575.24 and 7,283.86 is: 10,929.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.42 : 27,575.24 = 7,283.86 : x
  2. Step 2: Convert to fraction form
    18,377.42/27,575.24 = 7,283.86/x
  3. Step 3: Cross multiply
    18,377.42x = 27,575.24 × 7,283.86
  4. Step 4: Simplify right side
    18,377.42x = 200,854,082.27
  5. Step 5: Solve for x
    x = 200,854,082.27/18,377.42
  6. Step 6: Final answer
    x = 10,929.40

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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.