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Finding the Fourth Proportional to 6,888.66, 10,334.43 and 3,600.87

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Solution

The fourth proportional to 6,888.66, 10,334.43 and 3,600.87 is: 5,402.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.66 : 10,334.43 = 3,600.87 : x
  2. Step 2: Convert to fraction form
    6,888.66/10,334.43 = 3,600.87/x
  3. Step 3: Cross multiply
    6,888.66x = 10,334.43 × 3,600.87
  4. Step 4: Simplify right side
    6,888.66x = 37,212,938.95
  5. Step 5: Solve for x
    x = 37,212,938.95/6,888.66
  6. Step 6: Final answer
    x = 5,402.06

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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.