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Finding the Fourth Proportional to 8,891.73, 13,339.41 and 3,048.79

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Solution

The fourth proportional to 8,891.73, 13,339.41 and 3,048.79 is: 4,573.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.73 : 13,339.41 = 3,048.79 : x
  2. Step 2: Convert to fraction form
    8,891.73/13,339.41 = 3,048.79/x
  3. Step 3: Cross multiply
    8,891.73x = 13,339.41 × 3,048.79
  4. Step 4: Simplify right side
    8,891.73x = 40,669,059.81
  5. Step 5: Solve for x
    x = 40,669,059.81/8,891.73
  6. Step 6: Final answer
    x = 4,573.81

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1.5x scale

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.