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Finding the Fourth Proportional to 74,591.74, 111,887.61 and 27,848.26

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Solution

The fourth proportional to 74,591.74, 111,887.61 and 27,848.26 is: 41,772.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,591.74 : 111,887.61 = 27,848.26 : x
  2. Step 2: Convert to fraction form
    74,591.74/111,887.61 = 27,848.26/x
  3. Step 3: Cross multiply
    74,591.74x = 111,887.61 × 27,848.26
  4. Step 4: Simplify right side
    74,591.74x = 3,115,875,254.06
  5. Step 5: Solve for x
    x = 3,115,875,254.06/74,591.74
  6. Step 6: Final answer
    x = 41,772.39

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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.