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Finding the Fourth Proportional to 58,643.56, 87,977.82 and 17,087.08

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Solution

The fourth proportional to 58,643.56, 87,977.82 and 17,087.08 is: 25,634.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,643.56 : 87,977.82 = 17,087.08 : x
  2. Step 2: Convert to fraction form
    58,643.56/87,977.82 = 17,087.08/x
  3. Step 3: Cross multiply
    58,643.56x = 87,977.82 × 17,087.08
  4. Step 4: Simplify right side
    58,643.56x = 1,503,284,048.57
  5. Step 5: Solve for x
    x = 1,503,284,048.57/58,643.56
  6. Step 6: Final answer
    x = 25,634.26

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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.