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Finding the Fourth Proportional to 2,719.24, 3,753.24 and 1,672.24

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Solution

The fourth proportional to 2,719.24, 3,753.24 and 1,672.24 is: 2,308.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.24 : 3,753.24 = 1,672.24 : x
  2. Step 2: Convert to fraction form
    2,719.24/3,753.24 = 1,672.24/x
  3. Step 3: Cross multiply
    2,719.24x = 3,753.24 × 1,672.24
  4. Step 4: Simplify right side
    2,719.24x = 6,276,318.06
  5. Step 5: Solve for x
    x = 6,276,318.06/2,719.24
  6. Step 6: Final answer
    x = 2,308.11

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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.