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Finding the Fourth Proportional to 7,791.33, 10,752.03 and 4,605.78

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Solution

The fourth proportional to 7,791.33, 10,752.03 and 4,605.78 is: 6,355.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791.33 : 10,752.03 = 4,605.78 : x
  2. Step 2: Convert to fraction form
    7,791.33/10,752.03 = 4,605.78/x
  3. Step 3: Cross multiply
    7,791.33x = 10,752.03 × 4,605.78
  4. Step 4: Simplify right side
    7,791.33x = 49,521,466.19
  5. Step 5: Solve for x
    x = 49,521,466.19/7,791.33
  6. Step 6: Final answer
    x = 6,355.97

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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.