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Finding the Fourth Proportional to 6,963.18, 9,555.90 and 6,913.97

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Solution

The fourth proportional to 6,963.18, 9,555.90 and 6,913.97 is: 9,488.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,963.18 : 9,555.90 = 6,913.97 : x
  2. Step 2: Convert to fraction form
    6,963.18/9,555.90 = 6,913.97/x
  3. Step 3: Cross multiply
    6,963.18x = 9,555.90 × 6,913.97
  4. Step 4: Simplify right side
    6,963.18x = 66,069,205.92
  5. Step 5: Solve for x
    x = 66,069,205.92/6,963.18
  6. Step 6: Final answer
    x = 9,488.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.