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Finding the Fourth Proportional to 5,778.73, 8,668.50 and 2,856.25

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Solution

The fourth proportional to 5,778.73, 8,668.50 and 2,856.25 is: 4,284.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.73 : 8,668.50 = 2,856.25 : x
  2. Step 2: Convert to fraction form
    5,778.73/8,668.50 = 2,856.25/x
  3. Step 3: Cross multiply
    5,778.73x = 8,668.50 × 2,856.25
  4. Step 4: Simplify right side
    5,778.73x = 24,759,403.13
  5. Step 5: Solve for x
    x = 24,759,403.13/5,778.73
  6. Step 6: Final answer
    x = 4,284.58

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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.