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Finding the Fourth Proportional to 7,755.61, 11,633.26 and 2,208.99

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Solution

The fourth proportional to 7,755.61, 11,633.26 and 2,208.99 is: 3,313.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,755.61 : 11,633.26 = 2,208.99 : x
  2. Step 2: Convert to fraction form
    7,755.61/11,633.26 = 2,208.99/x
  3. Step 3: Cross multiply
    7,755.61x = 11,633.26 × 2,208.99
  4. Step 4: Simplify right side
    7,755.61x = 25,697,691.32
  5. Step 5: Solve for x
    x = 25,697,691.32/7,755.61
  6. Step 6: Final answer
    x = 3,313.43

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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.