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Finding the Fourth Proportional to 5,581.69, 8,373.57 and 4,550.74

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Solution

The fourth proportional to 5,581.69, 8,373.57 and 4,550.74 is: 6,826.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.69 : 8,373.57 = 4,550.74 : x
  2. Step 2: Convert to fraction form
    5,581.69/8,373.57 = 4,550.74/x
  3. Step 3: Cross multiply
    5,581.69x = 8,373.57 × 4,550.74
  4. Step 4: Simplify right side
    5,581.69x = 38,105,939.94
  5. Step 5: Solve for x
    x = 38,105,939.94/5,581.69
  6. Step 6: Final answer
    x = 6,826.95

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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.