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Finding the Fourth Proportional to 58,409, 87,675.88 and 25,145.56

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Solution

The fourth proportional to 58,409, 87,675.88 and 25,145.56 is: 37,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,409 : 87,675.88 = 25,145.56 : x
  2. Step 2: Convert to fraction form
    58,409/87,675.88 = 25,145.56/x
  3. Step 3: Cross multiply
    58,409x = 87,675.88 × 25,145.56
  4. Step 4: Simplify right side
    58,409x = 2,204,659,101.09
  5. Step 5: Solve for x
    x = 2,204,659,101.09/58,409
  6. Step 6: Final answer
    x = 37,745.20

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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.