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Finding the Fourth Proportional to 7,571.25, 11,356.88 and 2,954.25

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Solution

The fourth proportional to 7,571.25, 11,356.88 and 2,954.25 is: 4,431.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,571.25 : 11,356.88 = 2,954.25 : x
  2. Step 2: Convert to fraction form
    7,571.25/11,356.88 = 2,954.25/x
  3. Step 3: Cross multiply
    7,571.25x = 11,356.88 × 2,954.25
  4. Step 4: Simplify right side
    7,571.25x = 33,551,047.97
  5. Step 5: Solve for x
    x = 33,551,047.97/7,571.25
  6. Step 6: Final answer
    x = 4,431.38

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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.