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Finding the Fourth Proportional to 8,524.62, 12,789.72 and 4,365.72

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Solution

The fourth proportional to 8,524.62, 12,789.72 and 4,365.72 is: 6,550.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,524.62 : 12,789.72 = 4,365.72 : x
  2. Step 2: Convert to fraction form
    8,524.62/12,789.72 = 4,365.72/x
  3. Step 3: Cross multiply
    8,524.62x = 12,789.72 × 4,365.72
  4. Step 4: Simplify right side
    8,524.62x = 55,836,336.40
  5. Step 5: Solve for x
    x = 55,836,336.40/8,524.62
  6. Step 6: Final answer
    x = 6,550.01

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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.