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Finding the Fourth Proportional to 2,779.44, 4,149.66 and 2,293.44

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Solution

The fourth proportional to 2,779.44, 4,149.66 and 2,293.44 is: 3,424.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.44 : 4,149.66 = 2,293.44 : x
  2. Step 2: Convert to fraction form
    2,779.44/4,149.66 = 2,293.44/x
  3. Step 3: Cross multiply
    2,779.44x = 4,149.66 × 2,293.44
  4. Step 4: Simplify right side
    2,779.44x = 9,516,996.23
  5. Step 5: Solve for x
    x = 9,516,996.23/2,779.44
  6. Step 6: Final answer
    x = 3,424.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.