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Finding the Fourth Proportional to 1,593.22, 2,198.76 and 885.14

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Solution

The fourth proportional to 1,593.22, 2,198.76 and 885.14 is: 1,221.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,593.22 : 2,198.76 = 885.14 : x
  2. Step 2: Convert to fraction form
    1,593.22/2,198.76 = 885.14/x
  3. Step 3: Cross multiply
    1,593.22x = 2,198.76 × 885.14
  4. Step 4: Simplify right side
    1,593.22x = 1,946,210.43
  5. Step 5: Solve for x
    x = 1,946,210.43/1,593.22
  6. Step 6: Final answer
    x = 1,221.56

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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.