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Finding the Fourth Proportional to 7,236.28, 9,983.41 and 4,402.50

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Solution

The fourth proportional to 7,236.28, 9,983.41 and 4,402.50 is: 6,073.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.28 : 9,983.41 = 4,402.50 : x
  2. Step 2: Convert to fraction form
    7,236.28/9,983.41 = 4,402.50/x
  3. Step 3: Cross multiply
    7,236.28x = 9,983.41 × 4,402.50
  4. Step 4: Simplify right side
    7,236.28x = 43,951,962.53
  5. Step 5: Solve for x
    x = 43,951,962.53/7,236.28
  6. Step 6: Final answer
    x = 6,073.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.