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Finding the Fourth Proportional to 18,026.80, 27,050.38 and 9,706.64

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Solution

The fourth proportional to 18,026.80, 27,050.38 and 9,706.64 is: 14,565.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,026.80 : 27,050.38 = 9,706.64 : x
  2. Step 2: Convert to fraction form
    18,026.80/27,050.38 = 9,706.64/x
  3. Step 3: Cross multiply
    18,026.80x = 27,050.38 × 9,706.64
  4. Step 4: Simplify right side
    18,026.80x = 262,568,168.30
  5. Step 5: Solve for x
    x = 262,568,168.30/18,026.80
  6. Step 6: Final answer
    x = 14,565.43

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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.