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Finding the Fourth Proportional to 8,887.91, 13,322.30 and 4,723.73

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Solution

The fourth proportional to 8,887.91, 13,322.30 and 4,723.73 is: 7,080.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.91 : 13,322.30 = 4,723.73 : x
  2. Step 2: Convert to fraction form
    8,887.91/13,322.30 = 4,723.73/x
  3. Step 3: Cross multiply
    8,887.91x = 13,322.30 × 4,723.73
  4. Step 4: Simplify right side
    8,887.91x = 62,930,857.95
  5. Step 5: Solve for x
    x = 62,930,857.95/8,887.91
  6. Step 6: Final answer
    x = 7,080.51

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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.