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Finding the Fourth Proportional to 6,616.93, 9,131.08 and 3,632.82

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Solution

The fourth proportional to 6,616.93, 9,131.08 and 3,632.82 is: 5,013.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,616.93 : 9,131.08 = 3,632.82 : x
  2. Step 2: Convert to fraction form
    6,616.93/9,131.08 = 3,632.82/x
  3. Step 3: Cross multiply
    6,616.93x = 9,131.08 × 3,632.82
  4. Step 4: Simplify right side
    6,616.93x = 33,171,533.53
  5. Step 5: Solve for x
    x = 33,171,533.53/6,616.93
  6. Step 6: Final answer
    x = 5,013.13

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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.