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Finding the Fourth Proportional to 57,954.63, 86,921.64 and 26,357.25

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Solution

The fourth proportional to 57,954.63, 86,921.64 and 26,357.25 is: 39,531.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,954.63 : 86,921.64 = 26,357.25 : x
  2. Step 2: Convert to fraction form
    57,954.63/86,921.64 = 26,357.25/x
  3. Step 3: Cross multiply
    57,954.63x = 86,921.64 × 26,357.25
  4. Step 4: Simplify right side
    57,954.63x = 2,291,015,395.89
  5. Step 5: Solve for x
    x = 2,291,015,395.89/57,954.63
  6. Step 6: Final answer
    x = 39,531.19

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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.