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Finding the Fourth Proportional to 7,224.03, 9,958.28 and 5,649.39

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Solution

The fourth proportional to 7,224.03, 9,958.28 and 5,649.39 is: 7,787.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,224.03 : 9,958.28 = 5,649.39 : x
  2. Step 2: Convert to fraction form
    7,224.03/9,958.28 = 5,649.39/x
  3. Step 3: Cross multiply
    7,224.03x = 9,958.28 × 5,649.39
  4. Step 4: Simplify right side
    7,224.03x = 56,258,179.20
  5. Step 5: Solve for x
    x = 56,258,179.20/7,224.03
  6. Step 6: Final answer
    x = 7,787.64

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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.