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Finding the Fourth Proportional to 6,962.63, 9,606.78 and 3,937.82

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Solution

The fourth proportional to 6,962.63, 9,606.78 and 3,937.82 is: 5,433.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,962.63 : 9,606.78 = 3,937.82 : x
  2. Step 2: Convert to fraction form
    6,962.63/9,606.78 = 3,937.82/x
  3. Step 3: Cross multiply
    6,962.63x = 9,606.78 × 3,937.82
  4. Step 4: Simplify right side
    6,962.63x = 37,829,794.44
  5. Step 5: Solve for x
    x = 37,829,794.44/6,962.63
  6. Step 6: Final answer
    x = 5,433.26

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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.