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Finding the Fourth Proportional to 11,800.28, 17,700.24 and 3,035.12

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Solution

The fourth proportional to 11,800.28, 17,700.24 and 3,035.12 is: 4,552.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,800.28 : 17,700.24 = 3,035.12 : x
  2. Step 2: Convert to fraction form
    11,800.28/17,700.24 = 3,035.12/x
  3. Step 3: Cross multiply
    11,800.28x = 17,700.24 × 3,035.12
  4. Step 4: Simplify right side
    11,800.28x = 53,722,352.43
  5. Step 5: Solve for x
    x = 53,722,352.43/11,800.28
  6. Step 6: Final answer
    x = 4,552.63

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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.