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Finding the Fourth Proportional to 3,196.79, 4,795.19 and 888.29

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Solution

The fourth proportional to 3,196.79, 4,795.19 and 888.29 is: 1,332.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196.79 : 4,795.19 = 888.29 : x
  2. Step 2: Convert to fraction form
    3,196.79/4,795.19 = 888.29/x
  3. Step 3: Cross multiply
    3,196.79x = 4,795.19 × 888.29
  4. Step 4: Simplify right side
    3,196.79x = 4,259,519.33
  5. Step 5: Solve for x
    x = 4,259,519.33/3,196.79
  6. Step 6: Final answer
    x = 1,332.44

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Similar ratio
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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.