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Finding the Fourth Proportional to 55,887.36, 83,848.38 and 19,375.44

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Solution

The fourth proportional to 55,887.36, 83,848.38 and 19,375.44 is: 29,069.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,887.36 : 83,848.38 = 19,375.44 : x
  2. Step 2: Convert to fraction form
    55,887.36/83,848.38 = 19,375.44/x
  3. Step 3: Cross multiply
    55,887.36x = 83,848.38 × 19,375.44
  4. Step 4: Simplify right side
    55,887.36x = 1,624,599,255.79
  5. Step 5: Solve for x
    x = 1,624,599,255.79/55,887.36
  6. Step 6: Final answer
    x = 29,069.17

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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.