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Finding the Fourth Proportional to 7,594.70, 11,393.60 and 3,212.15

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Solution

The fourth proportional to 7,594.70, 11,393.60 and 3,212.15 is: 4,818.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,594.70 : 11,393.60 = 3,212.15 : x
  2. Step 2: Convert to fraction form
    7,594.70/11,393.60 = 3,212.15/x
  3. Step 3: Cross multiply
    7,594.70x = 11,393.60 × 3,212.15
  4. Step 4: Simplify right side
    7,594.70x = 36,597,879.21
  5. Step 5: Solve for x
    x = 36,597,879.21/7,594.70
  6. Step 6: Final answer
    x = 4,818.87

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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.