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Finding the Fourth Proportional to 57,917.70, 86,918.07 and 24,661.08

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Solution

The fourth proportional to 57,917.70, 86,918.07 and 24,661.08 is: 37,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,917.70 : 86,918.07 = 24,661.08 : x
  2. Step 2: Convert to fraction form
    57,917.70/86,918.07 = 24,661.08/x
  3. Step 3: Cross multiply
    57,917.70x = 86,918.07 × 24,661.08
  4. Step 4: Simplify right side
    57,917.70x = 2,143,493,477.72
  5. Step 5: Solve for x
    x = 2,143,493,477.72/57,917.70
  6. Step 6: Final answer
    x = 37,009.30

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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.