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Finding the Fourth Proportional to 5,010.88, 6,914.98 and 2,772.88

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Solution

The fourth proportional to 5,010.88, 6,914.98 and 2,772.88 is: 3,826.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.88 : 6,914.98 = 2,772.88 : x
  2. Step 2: Convert to fraction form
    5,010.88/6,914.98 = 2,772.88/x
  3. Step 3: Cross multiply
    5,010.88x = 6,914.98 × 2,772.88
  4. Step 4: Simplify right side
    5,010.88x = 19,174,409.74
  5. Step 5: Solve for x
    x = 19,174,409.74/5,010.88
  6. Step 6: Final answer
    x = 3,826.56

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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.