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Finding the Fourth Proportional to 3,114.76, 4,672.14 and 2,924.68

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Solution

The fourth proportional to 3,114.76, 4,672.14 and 2,924.68 is: 4,387.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.76 : 4,672.14 = 2,924.68 : x
  2. Step 2: Convert to fraction form
    3,114.76/4,672.14 = 2,924.68/x
  3. Step 3: Cross multiply
    3,114.76x = 4,672.14 × 2,924.68
  4. Step 4: Simplify right side
    3,114.76x = 13,664,514.42
  5. Step 5: Solve for x
    x = 13,664,514.42/3,114.76
  6. Step 6: Final answer
    x = 4,387.02

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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.