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Finding the Fourth Proportional to 1,614.18, 2,422.64 and 884.26

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Solution

The fourth proportional to 1,614.18, 2,422.64 and 884.26 is: 1,327.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614.18 : 2,422.64 = 884.26 : x
  2. Step 2: Convert to fraction form
    1,614.18/2,422.64 = 884.26/x
  3. Step 3: Cross multiply
    1,614.18x = 2,422.64 × 884.26
  4. Step 4: Simplify right side
    1,614.18x = 2,142,243.65
  5. Step 5: Solve for x
    x = 2,142,243.65/1,614.18
  6. Step 6: Final answer
    x = 1,327.14

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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.