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Finding the Fourth Proportional to 3,860.84, 5,757.36 and 3,825.77

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Solution

The fourth proportional to 3,860.84, 5,757.36 and 3,825.77 is: 5,705.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.84 : 5,757.36 = 3,825.77 : x
  2. Step 2: Convert to fraction form
    3,860.84/5,757.36 = 3,825.77/x
  3. Step 3: Cross multiply
    3,860.84x = 5,757.36 × 3,825.77
  4. Step 4: Simplify right side
    3,860.84x = 22,026,306.38
  5. Step 5: Solve for x
    x = 22,026,306.38/3,860.84
  6. Step 6: Final answer
    x = 5,705.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.