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Finding the Fourth Proportional to 11,372.80, 17,059.20 and 5,824.30

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Solution

The fourth proportional to 11,372.80, 17,059.20 and 5,824.30 is: 8,736.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,372.80 : 17,059.20 = 5,824.30 : x
  2. Step 2: Convert to fraction form
    11,372.80/17,059.20 = 5,824.30/x
  3. Step 3: Cross multiply
    11,372.80x = 17,059.20 × 5,824.30
  4. Step 4: Simplify right side
    11,372.80x = 99,357,898.56
  5. Step 5: Solve for x
    x = 99,357,898.56/11,372.80
  6. Step 6: Final answer
    x = 8,736.45

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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.