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Finding the Fourth Proportional to 6,642.97, 9,963.85 and 2,025.97

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Solution

The fourth proportional to 6,642.97, 9,963.85 and 2,025.97 is: 3,038.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642.97 : 9,963.85 = 2,025.97 : x
  2. Step 2: Convert to fraction form
    6,642.97/9,963.85 = 2,025.97/x
  3. Step 3: Cross multiply
    6,642.97x = 9,963.85 × 2,025.97
  4. Step 4: Simplify right side
    6,642.97x = 20,186,401.24
  5. Step 5: Solve for x
    x = 20,186,401.24/6,642.97
  6. Step 6: Final answer
    x = 3,038.76

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1.5x scale

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.