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Finding the Fourth Proportional to 7,616.87, 11,425.51 and 3,667.52

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Solution

The fourth proportional to 7,616.87, 11,425.51 and 3,667.52 is: 5,501.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.87 : 11,425.51 = 3,667.52 : x
  2. Step 2: Convert to fraction form
    7,616.87/11,425.51 = 3,667.52/x
  3. Step 3: Cross multiply
    7,616.87x = 11,425.51 × 3,667.52
  4. Step 4: Simplify right side
    7,616.87x = 41,903,229.31
  5. Step 5: Solve for x
    x = 41,903,229.31/7,616.87
  6. Step 6: Final answer
    x = 5,501.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.