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Finding the Fourth Proportional to 5,858.73, 8,789.61 and 2,572.76

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Solution

The fourth proportional to 5,858.73, 8,789.61 and 2,572.76 is: 3,859.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,858.73 : 8,789.61 = 2,572.76 : x
  2. Step 2: Convert to fraction form
    5,858.73/8,789.61 = 2,572.76/x
  3. Step 3: Cross multiply
    5,858.73x = 8,789.61 × 2,572.76
  4. Step 4: Simplify right side
    5,858.73x = 22,613,588.65
  5. Step 5: Solve for x
    x = 22,613,588.65/5,858.73
  6. Step 6: Final answer
    x = 3,859.81

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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.