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Finding the Fourth Proportional to 12,595.27, 18,879.04 and 5,195.68

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Solution

The fourth proportional to 12,595.27, 18,879.04 and 5,195.68 is: 7,787.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,595.27 : 18,879.04 = 5,195.68 : x
  2. Step 2: Convert to fraction form
    12,595.27/18,879.04 = 5,195.68/x
  3. Step 3: Cross multiply
    12,595.27x = 18,879.04 × 5,195.68
  4. Step 4: Simplify right side
    12,595.27x = 98,089,450.55
  5. Step 5: Solve for x
    x = 98,089,450.55/12,595.27
  6. Step 6: Final answer
    x = 7,787.80

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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.