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Finding the Fourth Proportional to 16,797.99, 23,182.18 and 9,629.09

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Solution

The fourth proportional to 16,797.99, 23,182.18 and 9,629.09 is: 13,288.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,797.99 : 23,182.18 = 9,629.09 : x
  2. Step 2: Convert to fraction form
    16,797.99/23,182.18 = 9,629.09/x
  3. Step 3: Cross multiply
    16,797.99x = 23,182.18 × 9,629.09
  4. Step 4: Simplify right side
    16,797.99x = 223,223,374.97
  5. Step 5: Solve for x
    x = 223,223,374.97/16,797.99
  6. Step 6: Final answer
    x = 13,288.70

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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.