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Finding the Fourth Proportional to 8,879.53, 13,320.74 and 3,333.31

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Solution

The fourth proportional to 8,879.53, 13,320.74 and 3,333.31 is: 5,000.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879.53 : 13,320.74 = 3,333.31 : x
  2. Step 2: Convert to fraction form
    8,879.53/13,320.74 = 3,333.31/x
  3. Step 3: Cross multiply
    8,879.53x = 13,320.74 × 3,333.31
  4. Step 4: Simplify right side
    8,879.53x = 44,402,155.85
  5. Step 5: Solve for x
    x = 44,402,155.85/8,879.53
  6. Step 6: Final answer
    x = 5,000.51

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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.