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Finding the Fourth Proportional to 17,374.87, 23,977.11 and 9,416.98

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Solution

The fourth proportional to 17,374.87, 23,977.11 and 9,416.98 is: 12,995.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,374.87 : 23,977.11 = 9,416.98 : x
  2. Step 2: Convert to fraction form
    17,374.87/23,977.11 = 9,416.98/x
  3. Step 3: Cross multiply
    17,374.87x = 23,977.11 × 9,416.98
  4. Step 4: Simplify right side
    17,374.87x = 225,791,965.33
  5. Step 5: Solve for x
    x = 225,791,965.33/17,374.87
  6. Step 6: Final answer
    x = 12,995.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.