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Finding the Fourth Proportional to 1,593.96, 2,199.60 and 885.84

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Solution

The fourth proportional to 1,593.96, 2,199.60 and 885.84 is: 1,222.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,593.96 : 2,199.60 = 885.84 : x
  2. Step 2: Convert to fraction form
    1,593.96/2,199.60 = 885.84/x
  3. Step 3: Cross multiply
    1,593.96x = 2,199.60 × 885.84
  4. Step 4: Simplify right side
    1,593.96x = 1,948,493.66
  5. Step 5: Solve for x
    x = 1,948,493.66/1,593.96
  6. Step 6: Final answer
    x = 1,222.42

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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.