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Finding the Fourth Proportional to 15,073.56, 22,595.22 and 5,211

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Solution

The fourth proportional to 15,073.56, 22,595.22 and 5,211 is: 7,811.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,073.56 : 22,595.22 = 5,211 : x
  2. Step 2: Convert to fraction form
    15,073.56/22,595.22 = 5,211/x
  3. Step 3: Cross multiply
    15,073.56x = 22,595.22 × 5,211
  4. Step 4: Simplify right side
    15,073.56x = 117,743,691.42
  5. Step 5: Solve for x
    x = 117,743,691.42/15,073.56
  6. Step 6: Final answer
    x = 7,811.27

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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.