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Finding the Fourth Proportional to 16,206.81, 22,365.41 and 9,133.49

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Solution

The fourth proportional to 16,206.81, 22,365.41 and 9,133.49 is: 12,604.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,206.81 : 22,365.41 = 9,133.49 : x
  2. Step 2: Convert to fraction form
    16,206.81/22,365.41 = 9,133.49/x
  3. Step 3: Cross multiply
    16,206.81x = 22,365.41 × 9,133.49
  4. Step 4: Simplify right side
    16,206.81x = 204,274,248.58
  5. Step 5: Solve for x
    x = 204,274,248.58/16,206.81
  6. Step 6: Final answer
    x = 12,604.22

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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.