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Finding the Fourth Proportional to 4,961.28, 7,443.54 and 3,573.48

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Solution

The fourth proportional to 4,961.28, 7,443.54 and 3,573.48 is: 5,361.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961.28 : 7,443.54 = 3,573.48 : x
  2. Step 2: Convert to fraction form
    4,961.28/7,443.54 = 3,573.48/x
  3. Step 3: Cross multiply
    4,961.28x = 7,443.54 × 3,573.48
  4. Step 4: Simplify right side
    4,961.28x = 26,599,341.32
  5. Step 5: Solve for x
    x = 26,599,341.32/4,961.28
  6. Step 6: Final answer
    x = 5,361.39

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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.