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Finding the Fourth Proportional to 58,548.80, 87,650.67 and 36,290.54

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Solution

The fourth proportional to 58,548.80, 87,650.67 and 36,290.54 is: 54,328.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,548.80 : 87,650.67 = 36,290.54 : x
  2. Step 2: Convert to fraction form
    58,548.80/87,650.67 = 36,290.54/x
  3. Step 3: Cross multiply
    58,548.80x = 87,650.67 × 36,290.54
  4. Step 4: Simplify right side
    58,548.80x = 3,180,890,145.66
  5. Step 5: Solve for x
    x = 3,180,890,145.66/58,548.80
  6. Step 6: Final answer
    x = 54,328.87

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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.