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Finding the Fourth Proportional to 2,212.32, 3,053.02 and 1,268.17

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Solution

The fourth proportional to 2,212.32, 3,053.02 and 1,268.17 is: 1,750.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.32 : 3,053.02 = 1,268.17 : x
  2. Step 2: Convert to fraction form
    2,212.32/3,053.02 = 1,268.17/x
  3. Step 3: Cross multiply
    2,212.32x = 3,053.02 × 1,268.17
  4. Step 4: Simplify right side
    2,212.32x = 3,871,738.89
  5. Step 5: Solve for x
    x = 3,871,738.89/2,212.32
  6. Step 6: Final answer
    x = 1,750.08

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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.