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Finding the Fourth Proportional to 8,984.24, 13,479.03 and 4,604.78

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Solution

The fourth proportional to 8,984.24, 13,479.03 and 4,604.78 is: 6,908.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,984.24 : 13,479.03 = 4,604.78 : x
  2. Step 2: Convert to fraction form
    8,984.24/13,479.03 = 4,604.78/x
  3. Step 3: Cross multiply
    8,984.24x = 13,479.03 × 4,604.78
  4. Step 4: Simplify right side
    8,984.24x = 62,067,967.76
  5. Step 5: Solve for x
    x = 62,067,967.76/8,984.24
  6. Step 6: Final answer
    x = 6,908.54

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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.