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Finding the Fourth Proportional to 4,272.88, 5,892.48 and 2,944.48

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Solution

The fourth proportional to 4,272.88, 5,892.48 and 2,944.48 is: 4,060.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.88 : 5,892.48 = 2,944.48 : x
  2. Step 2: Convert to fraction form
    4,272.88/5,892.48 = 2,944.48/x
  3. Step 3: Cross multiply
    4,272.88x = 5,892.48 × 2,944.48
  4. Step 4: Simplify right side
    4,272.88x = 17,350,289.51
  5. Step 5: Solve for x
    x = 17,350,289.51/4,272.88
  6. Step 6: Final answer
    x = 4,060.56

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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.