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Finding the Fourth Proportional to 4,347.52, 6,517.92 and 1,424

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Solution

The fourth proportional to 4,347.52, 6,517.92 and 1,424 is: 2,134.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,347.52 : 6,517.92 = 1,424 : x
  2. Step 2: Convert to fraction form
    4,347.52/6,517.92 = 1,424/x
  3. Step 3: Cross multiply
    4,347.52x = 6,517.92 × 1,424
  4. Step 4: Simplify right side
    4,347.52x = 9,281,518.08
  5. Step 5: Solve for x
    x = 9,281,518.08/4,347.52
  6. Step 6: Final answer
    x = 2,134.90

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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.