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Finding the Fourth Proportional to 3,432.84, 5,150.80 and 1,582.97

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Solution

The fourth proportional to 3,432.84, 5,150.80 and 1,582.97 is: 2,375.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.84 : 5,150.80 = 1,582.97 : x
  2. Step 2: Convert to fraction form
    3,432.84/5,150.80 = 1,582.97/x
  3. Step 3: Cross multiply
    3,432.84x = 5,150.80 × 1,582.97
  4. Step 4: Simplify right side
    3,432.84x = 8,153,538.10
  5. Step 5: Solve for x
    x = 8,153,538.10/3,432.84
  6. Step 6: Final answer
    x = 2,375.16

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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.