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Finding the Fourth Proportional to 2,772.72, 3,825.29 and 1,710.30

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Solution

The fourth proportional to 2,772.72, 3,825.29 and 1,710.30 is: 2,359.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.72 : 3,825.29 = 1,710.30 : x
  2. Step 2: Convert to fraction form
    2,772.72/3,825.29 = 1,710.30/x
  3. Step 3: Cross multiply
    2,772.72x = 3,825.29 × 1,710.30
  4. Step 4: Simplify right side
    2,772.72x = 6,542,393.49
  5. Step 5: Solve for x
    x = 6,542,393.49/2,772.72
  6. Step 6: Final answer
    x = 2,359.56

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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.