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Finding the Fourth Proportional to 58,590.20, 87,859.03 and 34,908.90

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Solution

The fourth proportional to 58,590.20, 87,859.03 and 34,908.90 is: 52,347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,590.20 : 87,859.03 = 34,908.90 : x
  2. Step 2: Convert to fraction form
    58,590.20/87,859.03 = 34,908.90/x
  3. Step 3: Cross multiply
    58,590.20x = 87,859.03 × 34,908.90
  4. Step 4: Simplify right side
    58,590.20x = 3,067,062,180.85
  5. Step 5: Solve for x
    x = 3,067,062,180.85/58,590.20
  6. Step 6: Final answer
    x = 52,347.70

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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.