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Finding the Fourth Proportional to 17,801.55, 26,680.96 and 8,301.06

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Solution

The fourth proportional to 17,801.55, 26,680.96 and 8,301.06 is: 12,441.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,801.55 : 26,680.96 = 8,301.06 : x
  2. Step 2: Convert to fraction form
    17,801.55/26,680.96 = 8,301.06/x
  3. Step 3: Cross multiply
    17,801.55x = 26,680.96 × 8,301.06
  4. Step 4: Simplify right side
    17,801.55x = 221,480,249.82
  5. Step 5: Solve for x
    x = 221,480,249.82/17,801.55
  6. Step 6: Final answer
    x = 12,441.63

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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.