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Finding the Fourth Proportional to 1,600.62, 2,209.11 and 1,010.70

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Solution

The fourth proportional to 1,600.62, 2,209.11 and 1,010.70 is: 1,394.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600.62 : 2,209.11 = 1,010.70 : x
  2. Step 2: Convert to fraction form
    1,600.62/2,209.11 = 1,010.70/x
  3. Step 3: Cross multiply
    1,600.62x = 2,209.11 × 1,010.70
  4. Step 4: Simplify right side
    1,600.62x = 2,232,747.48
  5. Step 5: Solve for x
    x = 2,232,747.48/1,600.62
  6. Step 6: Final answer
    x = 1,394.93

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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.