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Finding the Fourth Proportional to 3,605.54, 5,397.77 and 3,259.67

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Solution

The fourth proportional to 3,605.54, 5,397.77 and 3,259.67 is: 4,879.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.54 : 5,397.77 = 3,259.67 : x
  2. Step 2: Convert to fraction form
    3,605.54/5,397.77 = 3,259.67/x
  3. Step 3: Cross multiply
    3,605.54x = 5,397.77 × 3,259.67
  4. Step 4: Simplify right side
    3,605.54x = 17,594,905.65
  5. Step 5: Solve for x
    x = 17,594,905.65/3,605.54
  6. Step 6: Final answer
    x = 4,879.97

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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.