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Finding the Fourth Proportional to 7,191.92, 10,788.90 and 3,029.34

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Solution

The fourth proportional to 7,191.92, 10,788.90 and 3,029.34 is: 4,544.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.92 : 10,788.90 = 3,029.34 : x
  2. Step 2: Convert to fraction form
    7,191.92/10,788.90 = 3,029.34/x
  3. Step 3: Cross multiply
    7,191.92x = 10,788.90 × 3,029.34
  4. Step 4: Simplify right side
    7,191.92x = 32,683,246.33
  5. Step 5: Solve for x
    x = 32,683,246.33/7,191.92
  6. Step 6: Final answer
    x = 4,544.44

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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.