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Finding the Fourth Proportional to 2,433.28, 3,649.44 and 873.24

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Solution

The fourth proportional to 2,433.28, 3,649.44 and 873.24 is: 1,309.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,433.28 : 3,649.44 = 873.24 : x
  2. Step 2: Convert to fraction form
    2,433.28/3,649.44 = 873.24/x
  3. Step 3: Cross multiply
    2,433.28x = 3,649.44 × 873.24
  4. Step 4: Simplify right side
    2,433.28x = 3,186,836.99
  5. Step 5: Solve for x
    x = 3,186,836.99/2,433.28
  6. Step 6: Final answer
    x = 1,309.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.