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Finding the Fourth Proportional to 2,260.68, 3,122.02 and 2,016.20

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Solution

The fourth proportional to 2,260.68, 3,122.02 and 2,016.20 is: 2,784.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.68 : 3,122.02 = 2,016.20 : x
  2. Step 2: Convert to fraction form
    2,260.68/3,122.02 = 2,016.20/x
  3. Step 3: Cross multiply
    2,260.68x = 3,122.02 × 2,016.20
  4. Step 4: Simplify right side
    2,260.68x = 6,294,616.72
  5. Step 5: Solve for x
    x = 6,294,616.72/2,260.68
  6. Step 6: Final answer
    x = 2,784.39

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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.