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Finding the Fourth Proportional to 29,716.88, 41,009.04 and 16,288.88

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Solution

The fourth proportional to 29,716.88, 41,009.04 and 16,288.88 is: 22,478.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,716.88 : 41,009.04 = 16,288.88 : x
  2. Step 2: Convert to fraction form
    29,716.88/41,009.04 = 16,288.88/x
  3. Step 3: Cross multiply
    29,716.88x = 41,009.04 × 16,288.88
  4. Step 4: Simplify right side
    29,716.88x = 667,991,331.48
  5. Step 5: Solve for x
    x = 667,991,331.48/29,716.88
  6. Step 6: Final answer
    x = 22,478.51

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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.