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Finding the Fourth Proportional to 16,719.24, 23,073.30 and 9,267.24

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Solution

The fourth proportional to 16,719.24, 23,073.30 and 9,267.24 is: 12,789.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,719.24 : 23,073.30 = 9,267.24 : x
  2. Step 2: Convert to fraction form
    16,719.24/23,073.30 = 9,267.24/x
  3. Step 3: Cross multiply
    16,719.24x = 23,073.30 × 9,267.24
  4. Step 4: Simplify right side
    16,719.24x = 213,825,808.69
  5. Step 5: Solve for x
    x = 213,825,808.69/16,719.24
  6. Step 6: Final answer
    x = 12,789.21

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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.