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Finding the Fourth Proportional to 4,651.72, 6,978.58 and 1,532.04

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Solution

The fourth proportional to 4,651.72, 6,978.58 and 1,532.04 is: 2,298.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,651.72 : 6,978.58 = 1,532.04 : x
  2. Step 2: Convert to fraction form
    4,651.72/6,978.58 = 1,532.04/x
  3. Step 3: Cross multiply
    4,651.72x = 6,978.58 × 1,532.04
  4. Step 4: Simplify right side
    4,651.72x = 10,691,463.70
  5. Step 5: Solve for x
    x = 10,691,463.70/4,651.72
  6. Step 6: Final answer
    x = 2,298.39

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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.