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Finding the Fourth Proportional to 5,778.37, 8,667.58 and 1,395.83

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Solution

The fourth proportional to 5,778.37, 8,667.58 and 1,395.83 is: 2,093.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.37 : 8,667.58 = 1,395.83 : x
  2. Step 2: Convert to fraction form
    5,778.37/8,667.58 = 1,395.83/x
  3. Step 3: Cross multiply
    5,778.37x = 8,667.58 × 1,395.83
  4. Step 4: Simplify right side
    5,778.37x = 12,098,468.19
  5. Step 5: Solve for x
    x = 12,098,468.19/5,778.37
  6. Step 6: Final answer
    x = 2,093.75

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Double scale
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Similar ratio
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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.