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Finding the Fourth Proportional to 2,844.27, 4,264.62 and 869.24

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Solution

The fourth proportional to 2,844.27, 4,264.62 and 869.24 is: 1,303.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,844.27 : 4,264.62 = 869.24 : x
  2. Step 2: Convert to fraction form
    2,844.27/4,264.62 = 869.24/x
  3. Step 3: Cross multiply
    2,844.27x = 4,264.62 × 869.24
  4. Step 4: Simplify right side
    2,844.27x = 3,706,987.28
  5. Step 5: Solve for x
    x = 3,706,987.28/2,844.27
  6. Step 6: Final answer
    x = 1,303.32

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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.