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Finding the Fourth Proportional to 7,791.46, 10,752.14 and 4,806.10

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Solution

The fourth proportional to 7,791.46, 10,752.14 and 4,806.10 is: 6,632.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791.46 : 10,752.14 = 4,806.10 : x
  2. Step 2: Convert to fraction form
    7,791.46/10,752.14 = 4,806.10/x
  3. Step 3: Cross multiply
    7,791.46x = 10,752.14 × 4,806.10
  4. Step 4: Simplify right side
    7,791.46x = 51,675,860.05
  5. Step 5: Solve for x
    x = 51,675,860.05/7,791.46
  6. Step 6: Final answer
    x = 6,632.37

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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.