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Finding the Fourth Proportional to 5,569.38, 8,348.31 and 2,645.46

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Solution

The fourth proportional to 5,569.38, 8,348.31 and 2,645.46 is: 3,965.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,569.38 : 8,348.31 = 2,645.46 : x
  2. Step 2: Convert to fraction form
    5,569.38/8,348.31 = 2,645.46/x
  3. Step 3: Cross multiply
    5,569.38x = 8,348.31 × 2,645.46
  4. Step 4: Simplify right side
    5,569.38x = 22,085,120.17
  5. Step 5: Solve for x
    x = 22,085,120.17/5,569.38
  6. Step 6: Final answer
    x = 3,965.45

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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.