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Finding the Fourth Proportional to 57,395.94, 86,100.48 and 15,277.83

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Solution

The fourth proportional to 57,395.94, 86,100.48 and 15,277.83 is: 22,918.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,395.94 : 86,100.48 = 15,277.83 : x
  2. Step 2: Convert to fraction form
    57,395.94/86,100.48 = 15,277.83/x
  3. Step 3: Cross multiply
    57,395.94x = 86,100.48 × 15,277.83
  4. Step 4: Simplify right side
    57,395.94x = 1,315,428,496.36
  5. Step 5: Solve for x
    x = 1,315,428,496.36/57,395.94
  6. Step 6: Final answer
    x = 22,918.49

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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.