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Finding the Fourth Proportional to 3,468.48, 4,819.68 and 3,432.96

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Solution

The fourth proportional to 3,468.48, 4,819.68 and 3,432.96 is: 4,770.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.48 : 4,819.68 = 3,432.96 : x
  2. Step 2: Convert to fraction form
    3,468.48/4,819.68 = 3,432.96/x
  3. Step 3: Cross multiply
    3,468.48x = 4,819.68 × 3,432.96
  4. Step 4: Simplify right side
    3,468.48x = 16,545,768.65
  5. Step 5: Solve for x
    x = 16,545,768.65/3,468.48
  6. Step 6: Final answer
    x = 4,770.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.