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Finding the Fourth Proportional to 4,699.92, 7,044.12 and 4,123.92

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Solution

The fourth proportional to 4,699.92, 7,044.12 and 4,123.92 is: 6,180.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,699.92 : 7,044.12 = 4,123.92 : x
  2. Step 2: Convert to fraction form
    4,699.92/7,044.12 = 4,123.92/x
  3. Step 3: Cross multiply
    4,699.92x = 7,044.12 × 4,123.92
  4. Step 4: Simplify right side
    4,699.92x = 29,049,387.35
  5. Step 5: Solve for x
    x = 29,049,387.35/4,699.92
  6. Step 6: Final answer
    x = 6,180.83

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1.5x scale

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.