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Finding the Fourth Proportional to 7,754.68, 11,627.60 and 5,292.48

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Solution

The fourth proportional to 7,754.68, 11,627.60 and 5,292.48 is: 7,935.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,754.68 : 11,627.60 = 5,292.48 : x
  2. Step 2: Convert to fraction form
    7,754.68/11,627.60 = 5,292.48/x
  3. Step 3: Cross multiply
    7,754.68x = 11,627.60 × 5,292.48
  4. Step 4: Simplify right side
    7,754.68x = 61,538,853.68
  5. Step 5: Solve for x
    x = 61,538,853.68/7,754.68
  6. Step 6: Final answer
    x = 7,935.71

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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.