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Finding the Fourth Proportional to 5,616.36, 7,748.11 and 3,376.94

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Solution

The fourth proportional to 5,616.36, 7,748.11 and 3,376.94 is: 4,658.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.36 : 7,748.11 = 3,376.94 : x
  2. Step 2: Convert to fraction form
    5,616.36/7,748.11 = 3,376.94/x
  3. Step 3: Cross multiply
    5,616.36x = 7,748.11 × 3,376.94
  4. Step 4: Simplify right side
    5,616.36x = 26,164,902.58
  5. Step 5: Solve for x
    x = 26,164,902.58/5,616.36
  6. Step 6: Final answer
    x = 4,658.69

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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.