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Finding the Fourth Proportional to 1,592.90, 2,198.30 and 884.82

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Solution

The fourth proportional to 1,592.90, 2,198.30 and 884.82 is: 1,221.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592.90 : 2,198.30 = 884.82 : x
  2. Step 2: Convert to fraction form
    1,592.90/2,198.30 = 884.82/x
  3. Step 3: Cross multiply
    1,592.90x = 2,198.30 × 884.82
  4. Step 4: Simplify right side
    1,592.90x = 1,945,099.81
  5. Step 5: Solve for x
    x = 1,945,099.81/1,592.90
  6. Step 6: Final answer
    x = 1,221.11

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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.