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Finding the Fourth Proportional to 7,799.62, 10,763.73 and 4,262.76

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Solution

The fourth proportional to 7,799.62, 10,763.73 and 4,262.76 is: 5,882.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.62 : 10,763.73 = 4,262.76 : x
  2. Step 2: Convert to fraction form
    7,799.62/10,763.73 = 4,262.76/x
  3. Step 3: Cross multiply
    7,799.62x = 10,763.73 × 4,262.76
  4. Step 4: Simplify right side
    7,799.62x = 45,883,122.56
  5. Step 5: Solve for x
    x = 45,883,122.56/7,799.62
  6. Step 6: Final answer
    x = 5,882.74

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Half scale
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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.