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Finding the Fourth Proportional to 3,888.58, 5,363.50 and 2,396.02

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Solution

The fourth proportional to 3,888.58, 5,363.50 and 2,396.02 is: 3,304.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888.58 : 5,363.50 = 2,396.02 : x
  2. Step 2: Convert to fraction form
    3,888.58/5,363.50 = 2,396.02/x
  3. Step 3: Cross multiply
    3,888.58x = 5,363.50 × 2,396.02
  4. Step 4: Simplify right side
    3,888.58x = 12,851,014.47
  5. Step 5: Solve for x
    x = 12,851,014.47/3,888.58
  6. Step 6: Final answer
    x = 3,304.81

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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.