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Finding the Fourth Proportional to 7,992.76, 11,036.97 and 5,013.71

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Solution

The fourth proportional to 7,992.76, 11,036.97 and 5,013.71 is: 6,923.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.76 : 11,036.97 = 5,013.71 : x
  2. Step 2: Convert to fraction form
    7,992.76/11,036.97 = 5,013.71/x
  3. Step 3: Cross multiply
    7,992.76x = 11,036.97 × 5,013.71
  4. Step 4: Simplify right side
    7,992.76x = 55,336,194.45
  5. Step 5: Solve for x
    x = 55,336,194.45/7,992.76
  6. Step 6: Final answer
    x = 6,923.29

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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.