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Finding the Fourth Proportional to 8,002.80, 11,043.81 and 4,465.89

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Solution

The fourth proportional to 8,002.80, 11,043.81 and 4,465.89 is: 6,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,002.80 : 11,043.81 = 4,465.89 : x
  2. Step 2: Convert to fraction form
    8,002.80/11,043.81 = 4,465.89/x
  3. Step 3: Cross multiply
    8,002.80x = 11,043.81 × 4,465.89
  4. Step 4: Simplify right side
    8,002.80x = 49,320,440.64
  5. Step 5: Solve for x
    x = 49,320,440.64/8,002.80
  6. Step 6: Final answer
    x = 6,162.90

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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.