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Finding the Fourth Proportional to 3,767.84, 5,650.36 and 1,302

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Solution

The fourth proportional to 3,767.84, 5,650.36 and 1,302 is: 1,952.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.84 : 5,650.36 = 1,302 : x
  2. Step 2: Convert to fraction form
    3,767.84/5,650.36 = 1,302/x
  3. Step 3: Cross multiply
    3,767.84x = 5,650.36 × 1,302
  4. Step 4: Simplify right side
    3,767.84x = 7,356,768.72
  5. Step 5: Solve for x
    x = 7,356,768.72/3,767.84
  6. Step 6: Final answer
    x = 1,952.52

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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.