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Finding the Fourth Proportional to 11,635.28, 17,457.24 and 5,398.28

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Solution

The fourth proportional to 11,635.28, 17,457.24 and 5,398.28 is: 8,099.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,635.28 : 17,457.24 = 5,398.28 : x
  2. Step 2: Convert to fraction form
    11,635.28/17,457.24 = 5,398.28/x
  3. Step 3: Cross multiply
    11,635.28x = 17,457.24 × 5,398.28
  4. Step 4: Simplify right side
    11,635.28x = 94,239,069.55
  5. Step 5: Solve for x
    x = 94,239,069.55/11,635.28
  6. Step 6: Final answer
    x = 8,099.42

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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.