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Finding the Fourth Proportional to 5,062, 7,594.12 and 2,142.80

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Solution

The fourth proportional to 5,062, 7,594.12 and 2,142.80 is: 3,214.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,062 : 7,594.12 = 2,142.80 : x
  2. Step 2: Convert to fraction form
    5,062/7,594.12 = 2,142.80/x
  3. Step 3: Cross multiply
    5,062x = 7,594.12 × 2,142.80
  4. Step 4: Simplify right side
    5,062x = 16,272,680.34
  5. Step 5: Solve for x
    x = 16,272,680.34/5,062
  6. Step 6: Final answer
    x = 3,214.67

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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.