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Finding the Fourth Proportional to 6,776.66, 9,351.35 and 3,791.98

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Solution

The fourth proportional to 6,776.66, 9,351.35 and 3,791.98 is: 5,232.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,776.66 : 9,351.35 = 3,791.98 : x
  2. Step 2: Convert to fraction form
    6,776.66/9,351.35 = 3,791.98/x
  3. Step 3: Cross multiply
    6,776.66x = 9,351.35 × 3,791.98
  4. Step 4: Simplify right side
    6,776.66x = 35,460,132.17
  5. Step 5: Solve for x
    x = 35,460,132.17/6,776.66
  6. Step 6: Final answer
    x = 5,232.69

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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.