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Finding the Fourth Proportional to 3,833.74, 5,751.02 and 1,368.78

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Solution

The fourth proportional to 3,833.74, 5,751.02 and 1,368.78 is: 2,053.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,833.74 : 5,751.02 = 1,368.78 : x
  2. Step 2: Convert to fraction form
    3,833.74/5,751.02 = 1,368.78/x
  3. Step 3: Cross multiply
    3,833.74x = 5,751.02 × 1,368.78
  4. Step 4: Simplify right side
    3,833.74x = 7,871,881.16
  5. Step 5: Solve for x
    x = 7,871,881.16/3,833.74
  6. Step 6: Final answer
    x = 2,053.32

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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.