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Finding the Fourth Proportional to 3,192.57, 4,788.86 and 884.07

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Solution

The fourth proportional to 3,192.57, 4,788.86 and 884.07 is: 1,326.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.57 : 4,788.86 = 884.07 : x
  2. Step 2: Convert to fraction form
    3,192.57/4,788.86 = 884.07/x
  3. Step 3: Cross multiply
    3,192.57x = 4,788.86 × 884.07
  4. Step 4: Simplify right side
    3,192.57x = 4,233,683.04
  5. Step 5: Solve for x
    x = 4,233,683.04/3,192.57
  6. Step 6: Final answer
    x = 1,326.11

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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.