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Finding the Fourth Proportional to 5,616.11, 7,747.76 and 3,376.69

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Solution

The fourth proportional to 5,616.11, 7,747.76 and 3,376.69 is: 4,658.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.11 : 7,747.76 = 3,376.69 : x
  2. Step 2: Convert to fraction form
    5,616.11/7,747.76 = 3,376.69/x
  3. Step 3: Cross multiply
    5,616.11x = 7,747.76 × 3,376.69
  4. Step 4: Simplify right side
    5,616.11x = 26,161,772.79
  5. Step 5: Solve for x
    x = 26,161,772.79/5,616.11
  6. Step 6: Final answer
    x = 4,658.34

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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.