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Finding the Fourth Proportional to 3,351.57, 5,026.93 and 886.58

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Solution

The fourth proportional to 3,351.57, 5,026.93 and 886.58 is: 1,329.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.57 : 5,026.93 = 886.58 : x
  2. Step 2: Convert to fraction form
    3,351.57/5,026.93 = 886.58/x
  3. Step 3: Cross multiply
    3,351.57x = 5,026.93 × 886.58
  4. Step 4: Simplify right side
    3,351.57x = 4,456,775.60
  5. Step 5: Solve for x
    x = 4,456,775.60/3,351.57
  6. Step 6: Final answer
    x = 1,329.76

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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.