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Finding the Fourth Proportional to 65,175.76, 89,943.93 and 36,881.44

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Solution

The fourth proportional to 65,175.76, 89,943.93 and 36,881.44 is: 50,897.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,175.76 : 89,943.93 = 36,881.44 : x
  2. Step 2: Convert to fraction form
    65,175.76/89,943.93 = 36,881.44/x
  3. Step 3: Cross multiply
    65,175.76x = 89,943.93 × 36,881.44
  4. Step 4: Simplify right side
    65,175.76x = 3,317,261,657.66
  5. Step 5: Solve for x
    x = 3,317,261,657.66/65,175.76
  6. Step 6: Final answer
    x = 50,897.17

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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.