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Finding the Fourth Proportional to 14,377.99, 21,569.11 and 7,361.97

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Solution

The fourth proportional to 14,377.99, 21,569.11 and 7,361.97 is: 11,044.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,377.99 : 21,569.11 = 7,361.97 : x
  2. Step 2: Convert to fraction form
    14,377.99/21,569.11 = 7,361.97/x
  3. Step 3: Cross multiply
    14,377.99x = 21,569.11 × 7,361.97
  4. Step 4: Simplify right side
    14,377.99x = 158,791,122.34
  5. Step 5: Solve for x
    x = 158,791,122.34/14,377.99
  6. Step 6: Final answer
    x = 11,044.04

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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.