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Finding the Fourth Proportional to 10,893.66, 15,037.82 and 7,361.66

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Solution

The fourth proportional to 10,893.66, 15,037.82 and 7,361.66 is: 10,162.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.66 : 15,037.82 = 7,361.66 : x
  2. Step 2: Convert to fraction form
    10,893.66/15,037.82 = 7,361.66/x
  3. Step 3: Cross multiply
    10,893.66x = 15,037.82 × 7,361.66
  4. Step 4: Simplify right side
    10,893.66x = 110,703,317.98
  5. Step 5: Solve for x
    x = 110,703,317.98/10,893.66
  6. Step 6: Final answer
    x = 10,162.18

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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.