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Finding the Fourth Proportional to 11,275.49, 15,553.94 and 6,796.59

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Solution

The fourth proportional to 11,275.49, 15,553.94 and 6,796.59 is: 9,375.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.49 : 15,553.94 = 6,796.59 : x
  2. Step 2: Convert to fraction form
    11,275.49/15,553.94 = 6,796.59/x
  3. Step 3: Cross multiply
    11,275.49x = 15,553.94 × 6,796.59
  4. Step 4: Simplify right side
    11,275.49x = 105,713,719.08
  5. Step 5: Solve for x
    x = 105,713,719.08/11,275.49
  6. Step 6: Final answer
    x = 9,375.54

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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.