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Finding the Fourth Proportional to 22,555.66, 33,801.13 and 12,674.16

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Solution

The fourth proportional to 22,555.66, 33,801.13 and 12,674.16 is: 18,993.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,555.66 : 33,801.13 = 12,674.16 : x
  2. Step 2: Convert to fraction form
    22,555.66/33,801.13 = 12,674.16/x
  3. Step 3: Cross multiply
    22,555.66x = 33,801.13 × 12,674.16
  4. Step 4: Simplify right side
    22,555.66x = 428,400,898.12
  5. Step 5: Solve for x
    x = 428,400,898.12/22,555.66
  6. Step 6: Final answer
    x = 18,993.06

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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.