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Finding the Fourth Proportional to 7,963.09, 11,943.04 and 7,567.92

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Solution

The fourth proportional to 7,963.09, 11,943.04 and 7,567.92 is: 11,350.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963.09 : 11,943.04 = 7,567.92 : x
  2. Step 2: Convert to fraction form
    7,963.09/11,943.04 = 7,567.92/x
  3. Step 3: Cross multiply
    7,963.09x = 11,943.04 × 7,567.92
  4. Step 4: Simplify right side
    7,963.09x = 90,383,971.28
  5. Step 5: Solve for x
    x = 90,383,971.28/7,963.09
  6. Step 6: Final answer
    x = 11,350.36

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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.