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Finding the Fourth Proportional to 3,096.52, 4,275.22 and 1,919.32

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Solution

The fourth proportional to 3,096.52, 4,275.22 and 1,919.32 is: 2,649.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,096.52 : 4,275.22 = 1,919.32 : x
  2. Step 2: Convert to fraction form
    3,096.52/4,275.22 = 1,919.32/x
  3. Step 3: Cross multiply
    3,096.52x = 4,275.22 × 1,919.32
  4. Step 4: Simplify right side
    3,096.52x = 8,205,515.25
  5. Step 5: Solve for x
    x = 8,205,515.25/3,096.52
  6. Step 6: Final answer
    x = 2,649.92

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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.