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Finding the Fourth Proportional to 2,553.68, 3,822.84 and 2,393.68

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Solution

The fourth proportional to 2,553.68, 3,822.84 and 2,393.68 is: 3,583.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.68 : 3,822.84 = 2,393.68 : x
  2. Step 2: Convert to fraction form
    2,553.68/3,822.84 = 2,393.68/x
  3. Step 3: Cross multiply
    2,553.68x = 3,822.84 × 2,393.68
  4. Step 4: Simplify right side
    2,553.68x = 9,150,655.65
  5. Step 5: Solve for x
    x = 9,150,655.65/2,553.68
  6. Step 6: Final answer
    x = 3,583.32

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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.