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Finding the Fourth Proportional to 21,896.44, 32,848.74 and 7,103.43

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Solution

The fourth proportional to 21,896.44, 32,848.74 and 7,103.43 is: 10,656.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,896.44 : 32,848.74 = 7,103.43 : x
  2. Step 2: Convert to fraction form
    21,896.44/32,848.74 = 7,103.43/x
  3. Step 3: Cross multiply
    21,896.44x = 32,848.74 × 7,103.43
  4. Step 4: Simplify right side
    21,896.44x = 233,338,725.18
  5. Step 5: Solve for x
    x = 233,338,725.18/21,896.44
  6. Step 6: Final answer
    x = 10,656.47

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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.