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Finding the Fourth Proportional to 2,605.95, 3,908.91 and 2,453.77

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Solution

The fourth proportional to 2,605.95, 3,908.91 and 2,453.77 is: 3,680.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605.95 : 3,908.91 = 2,453.77 : x
  2. Step 2: Convert to fraction form
    2,605.95/3,908.91 = 2,453.77/x
  3. Step 3: Cross multiply
    2,605.95x = 3,908.91 × 2,453.77
  4. Step 4: Simplify right side
    2,605.95x = 9,591,566.09
  5. Step 5: Solve for x
    x = 9,591,566.09/2,605.95
  6. Step 6: Final answer
    x = 3,680.65

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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.