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Finding the Fourth Proportional to 17,800.76, 26,704.90 and 6,707.20

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Solution

The fourth proportional to 17,800.76, 26,704.90 and 6,707.20 is: 10,062.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,800.76 : 26,704.90 = 6,707.20 : x
  2. Step 2: Convert to fraction form
    17,800.76/26,704.90 = 6,707.20/x
  3. Step 3: Cross multiply
    17,800.76x = 26,704.90 × 6,707.20
  4. Step 4: Simplify right side
    17,800.76x = 179,115,105.28
  5. Step 5: Solve for x
    x = 179,115,105.28/17,800.76
  6. Step 6: Final answer
    x = 10,062.22

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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.