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Finding the Fourth Proportional to 6,959.38, 9,603.90 and 3,772.60

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Solution

The fourth proportional to 6,959.38, 9,603.90 and 3,772.60 is: 5,206.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,959.38 : 9,603.90 = 3,772.60 : x
  2. Step 2: Convert to fraction form
    6,959.38/9,603.90 = 3,772.60/x
  3. Step 3: Cross multiply
    6,959.38x = 9,603.90 × 3,772.60
  4. Step 4: Simplify right side
    6,959.38x = 36,231,673.14
  5. Step 5: Solve for x
    x = 36,231,673.14/6,959.38
  6. Step 6: Final answer
    x = 5,206.16

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1.5x scale

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.