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Finding the Fourth Proportional to 5,553.56, 8,331.56 and 1,858.44

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Solution

The fourth proportional to 5,553.56, 8,331.56 and 1,858.44 is: 2,788.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.56 : 8,331.56 = 1,858.44 : x
  2. Step 2: Convert to fraction form
    5,553.56/8,331.56 = 1,858.44/x
  3. Step 3: Cross multiply
    5,553.56x = 8,331.56 × 1,858.44
  4. Step 4: Simplify right side
    5,553.56x = 15,483,733.29
  5. Step 5: Solve for x
    x = 15,483,733.29/5,553.56
  6. Step 6: Final answer
    x = 2,788.07

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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.