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Finding the Fourth Proportional to 17,374.70, 26,062.04 and 12,203.66

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Solution

The fourth proportional to 17,374.70, 26,062.04 and 12,203.66 is: 18,305.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,374.70 : 26,062.04 = 12,203.66 : x
  2. Step 2: Convert to fraction form
    17,374.70/26,062.04 = 12,203.66/x
  3. Step 3: Cross multiply
    17,374.70x = 26,062.04 × 12,203.66
  4. Step 4: Simplify right side
    17,374.70x = 318,052,275.07
  5. Step 5: Solve for x
    x = 318,052,275.07/17,374.70
  6. Step 6: Final answer
    x = 18,305.48

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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.