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Finding the Fourth Proportional to 63,058.80, 87,021.82 and 34,765.50

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Solution

The fourth proportional to 63,058.80, 87,021.82 and 34,765.50 is: 47,976.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,058.80 : 87,021.82 = 34,765.50 : x
  2. Step 2: Convert to fraction form
    63,058.80/87,021.82 = 34,765.50/x
  3. Step 3: Cross multiply
    63,058.80x = 87,021.82 × 34,765.50
  4. Step 4: Simplify right side
    63,058.80x = 3,025,357,083.21
  5. Step 5: Solve for x
    x = 3,025,357,083.21/63,058.80
  6. Step 6: Final answer
    x = 47,976.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.