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Finding the Fourth Proportional to 16,318.46, 22,519.44 and 9,945.08

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Solution

The fourth proportional to 16,318.46, 22,519.44 and 9,945.08 is: 13,724.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,318.46 : 22,519.44 = 9,945.08 : x
  2. Step 2: Convert to fraction form
    16,318.46/22,519.44 = 9,945.08/x
  3. Step 3: Cross multiply
    16,318.46x = 22,519.44 × 9,945.08
  4. Step 4: Simplify right side
    16,318.46x = 223,957,519.76
  5. Step 5: Solve for x
    x = 223,957,519.76/16,318.46
  6. Step 6: Final answer
    x = 13,724.19

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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.