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Finding the Fourth Proportional to 2,571.02, 3,856.26 and 927.59

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Solution

The fourth proportional to 2,571.02, 3,856.26 and 927.59 is: 1,391.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571.02 : 3,856.26 = 927.59 : x
  2. Step 2: Convert to fraction form
    2,571.02/3,856.26 = 927.59/x
  3. Step 3: Cross multiply
    2,571.02x = 3,856.26 × 927.59
  4. Step 4: Simplify right side
    2,571.02x = 3,577,008.93
  5. Step 5: Solve for x
    x = 3,577,008.93/2,571.02
  6. Step 6: Final answer
    x = 1,391.28

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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.