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Finding the Fourth Proportional to 44,641.88, 66,963.22 and 11,361.98

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Solution

The fourth proportional to 44,641.88, 66,963.22 and 11,361.98 is: 17,043.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,641.88 : 66,963.22 = 11,361.98 : x
  2. Step 2: Convert to fraction form
    44,641.88/66,963.22 = 11,361.98/x
  3. Step 3: Cross multiply
    44,641.88x = 66,963.22 × 11,361.98
  4. Step 4: Simplify right side
    44,641.88x = 760,834,374.75
  5. Step 5: Solve for x
    x = 760,834,374.75/44,641.88
  6. Step 6: Final answer
    x = 17,043.06

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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.