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Finding the Fourth Proportional to 11,478.63, 17,181.05 and 5,924.42

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Solution

The fourth proportional to 11,478.63, 17,181.05 and 5,924.42 is: 8,867.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,478.63 : 17,181.05 = 5,924.42 : x
  2. Step 2: Convert to fraction form
    11,478.63/17,181.05 = 5,924.42/x
  3. Step 3: Cross multiply
    11,478.63x = 17,181.05 × 5,924.42
  4. Step 4: Simplify right side
    11,478.63x = 101,787,756.24
  5. Step 5: Solve for x
    x = 101,787,756.24/11,478.63
  6. Step 6: Final answer
    x = 8,867.59

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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.