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Finding the Fourth Proportional to 4,964.86, 7,446.21 and 1,677.52

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Solution

The fourth proportional to 4,964.86, 7,446.21 and 1,677.52 is: 2,515.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,964.86 : 7,446.21 = 1,677.52 : x
  2. Step 2: Convert to fraction form
    4,964.86/7,446.21 = 1,677.52/x
  3. Step 3: Cross multiply
    4,964.86x = 7,446.21 × 1,677.52
  4. Step 4: Simplify right side
    4,964.86x = 12,491,166.20
  5. Step 5: Solve for x
    x = 12,491,166.20/4,964.86
  6. Step 6: Final answer
    x = 2,515.92

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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.