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Finding the Fourth Proportional to 5,104.90, 7,044.90 and 2,866.96

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Solution

The fourth proportional to 5,104.90, 7,044.90 and 2,866.96 is: 3,956.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.90 : 7,044.90 = 2,866.96 : x
  2. Step 2: Convert to fraction form
    5,104.90/7,044.90 = 2,866.96/x
  3. Step 3: Cross multiply
    5,104.90x = 7,044.90 × 2,866.96
  4. Step 4: Simplify right side
    5,104.90x = 20,197,446.50
  5. Step 5: Solve for x
    x = 20,197,446.50/5,104.90
  6. Step 6: Final answer
    x = 3,956.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.