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Finding the Fourth Proportional to 7,244.67, 9,997.02 and 4,219.32

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Solution

The fourth proportional to 7,244.67, 9,997.02 and 4,219.32 is: 5,822.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244.67 : 9,997.02 = 4,219.32 : x
  2. Step 2: Convert to fraction form
    7,244.67/9,997.02 = 4,219.32/x
  3. Step 3: Cross multiply
    7,244.67x = 9,997.02 × 4,219.32
  4. Step 4: Simplify right side
    7,244.67x = 42,180,626.43
  5. Step 5: Solve for x
    x = 42,180,626.43/7,244.67
  6. Step 6: Final answer
    x = 5,822.30

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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.