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Finding the Fourth Proportional to 2,296.01, 3,168.42 and 1,248.07

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Solution

The fourth proportional to 2,296.01, 3,168.42 and 1,248.07 is: 1,722.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.01 : 3,168.42 = 1,248.07 : x
  2. Step 2: Convert to fraction form
    2,296.01/3,168.42 = 1,248.07/x
  3. Step 3: Cross multiply
    2,296.01x = 3,168.42 × 1,248.07
  4. Step 4: Simplify right side
    2,296.01x = 3,954,394.11
  5. Step 5: Solve for x
    x = 3,954,394.11/2,296.01
  6. Step 6: Final answer
    x = 1,722.29

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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.