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Finding the Fourth Proportional to 2,607.24, 3,908.90 and 963.48

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Solution

The fourth proportional to 2,607.24, 3,908.90 and 963.48 is: 1,444.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607.24 : 3,908.90 = 963.48 : x
  2. Step 2: Convert to fraction form
    2,607.24/3,908.90 = 963.48/x
  3. Step 3: Cross multiply
    2,607.24x = 3,908.90 × 963.48
  4. Step 4: Simplify right side
    2,607.24x = 3,766,146.97
  5. Step 5: Solve for x
    x = 3,766,146.97/2,607.24
  6. Step 6: Final answer
    x = 1,444.50

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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.