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Finding the Fourth Proportional to 56,387.87, 84,581.66 and 25,201.25

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Solution

The fourth proportional to 56,387.87, 84,581.66 and 25,201.25 is: 37,801.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,387.87 : 84,581.66 = 25,201.25 : x
  2. Step 2: Convert to fraction form
    56,387.87/84,581.66 = 25,201.25/x
  3. Step 3: Cross multiply
    56,387.87x = 84,581.66 × 25,201.25
  4. Step 4: Simplify right side
    56,387.87x = 2,131,563,577.04
  5. Step 5: Solve for x
    x = 2,131,563,577.04/56,387.87
  6. Step 6: Final answer
    x = 37,801.81

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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.