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Finding the Fourth Proportional to 6,718.95, 10,080.45 and 3,600.45

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Solution

The fourth proportional to 6,718.95, 10,080.45 and 3,600.45 is: 5,401.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.95 : 10,080.45 = 3,600.45 : x
  2. Step 2: Convert to fraction form
    6,718.95/10,080.45 = 3,600.45/x
  3. Step 3: Cross multiply
    6,718.95x = 10,080.45 × 3,600.45
  4. Step 4: Simplify right side
    6,718.95x = 36,294,156.20
  5. Step 5: Solve for x
    x = 36,294,156.20/6,718.95
  6. Step 6: Final answer
    x = 5,401.76

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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.