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Finding the Fourth Proportional to 17,873.20, 26,801.70 and 6,776.20

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Solution

The fourth proportional to 17,873.20, 26,801.70 and 6,776.20 is: 10,161.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,873.20 : 26,801.70 = 6,776.20 : x
  2. Step 2: Convert to fraction form
    17,873.20/26,801.70 = 6,776.20/x
  3. Step 3: Cross multiply
    17,873.20x = 26,801.70 × 6,776.20
  4. Step 4: Simplify right side
    17,873.20x = 181,613,679.54
  5. Step 5: Solve for x
    x = 181,613,679.54/17,873.20
  6. Step 6: Final answer
    x = 10,161.23

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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.