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Finding the Fourth Proportional to 18,202.77, 27,295.78 and 9,443.83

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Solution

The fourth proportional to 18,202.77, 27,295.78 and 9,443.83 is: 14,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,202.77 : 27,295.78 = 9,443.83 : x
  2. Step 2: Convert to fraction form
    18,202.77/27,295.78 = 9,443.83/x
  3. Step 3: Cross multiply
    18,202.77x = 27,295.78 × 9,443.83
  4. Step 4: Simplify right side
    18,202.77x = 257,776,706.04
  5. Step 5: Solve for x
    x = 257,776,706.04/18,202.77
  6. Step 6: Final answer
    x = 14,161.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.