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Finding the Fourth Proportional to 18,354.75, 25,332 and 10,396.98

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Solution

The fourth proportional to 18,354.75, 25,332 and 10,396.98 is: 14,349.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354.75 : 25,332 = 10,396.98 : x
  2. Step 2: Convert to fraction form
    18,354.75/25,332 = 10,396.98/x
  3. Step 3: Cross multiply
    18,354.75x = 25,332 × 10,396.98
  4. Step 4: Simplify right side
    18,354.75x = 263,376,297.36
  5. Step 5: Solve for x
    x = 263,376,297.36/18,354.75
  6. Step 6: Final answer
    x = 14,349.22

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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.