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Finding the Fourth Proportional to 18,298, 25,252.32 and 10,340.02

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Solution

The fourth proportional to 18,298, 25,252.32 and 10,340.02 is: 14,269.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298 : 25,252.32 = 10,340.02 : x
  2. Step 2: Convert to fraction form
    18,298/25,252.32 = 10,340.02/x
  3. Step 3: Cross multiply
    18,298x = 25,252.32 × 10,340.02
  4. Step 4: Simplify right side
    18,298x = 261,109,493.85
  5. Step 5: Solve for x
    x = 261,109,493.85/18,298
  6. Step 6: Final answer
    x = 14,269.84

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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.