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Finding the Fourth Proportional to 5,909.92, 8,856.78 and 5,732.54

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Solution

The fourth proportional to 5,909.92, 8,856.78 and 5,732.54 is: 8,590.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.92 : 8,856.78 = 5,732.54 : x
  2. Step 2: Convert to fraction form
    5,909.92/8,856.78 = 5,732.54/x
  3. Step 3: Cross multiply
    5,909.92x = 8,856.78 × 5,732.54
  4. Step 4: Simplify right side
    5,909.92x = 50,771,845.62
  5. Step 5: Solve for x
    x = 50,771,845.62/5,909.92
  6. Step 6: Final answer
    x = 8,590.95

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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.