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Finding the Fourth Proportional to 5,552.88, 8,331.12 and 1,855.26

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Solution

The fourth proportional to 5,552.88, 8,331.12 and 1,855.26 is: 2,783.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,552.88 : 8,331.12 = 1,855.26 : x
  2. Step 2: Convert to fraction form
    5,552.88/8,331.12 = 1,855.26/x
  3. Step 3: Cross multiply
    5,552.88x = 8,331.12 × 1,855.26
  4. Step 4: Simplify right side
    5,552.88x = 15,456,393.69
  5. Step 5: Solve for x
    x = 15,456,393.69/5,552.88
  6. Step 6: Final answer
    x = 2,783.49

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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.