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Finding the Fourth Proportional to 17,380.74, 26,062.86 and 8,017.98

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Solution

The fourth proportional to 17,380.74, 26,062.86 and 8,017.98 is: 12,023.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,380.74 : 26,062.86 = 8,017.98 : x
  2. Step 2: Convert to fraction form
    17,380.74/26,062.86 = 8,017.98/x
  3. Step 3: Cross multiply
    17,380.74x = 26,062.86 × 8,017.98
  4. Step 4: Simplify right side
    17,380.74x = 208,971,490.22
  5. Step 5: Solve for x
    x = 208,971,490.22/17,380.74
  6. Step 6: Final answer
    x = 12,023.16

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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.