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Finding the Fourth Proportional to 57,698.61, 86,481.69 and 26,468.25

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Solution

The fourth proportional to 57,698.61, 86,481.69 and 26,468.25 is: 39,672.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,698.61 : 86,481.69 = 26,468.25 : x
  2. Step 2: Convert to fraction form
    57,698.61/86,481.69 = 26,468.25/x
  3. Step 3: Cross multiply
    57,698.61x = 86,481.69 × 26,468.25
  4. Step 4: Simplify right side
    57,698.61x = 2,289,018,991.34
  5. Step 5: Solve for x
    x = 2,289,018,991.34/57,698.61
  6. Step 6: Final answer
    x = 39,672.00

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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.