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Finding the Fourth Proportional to 3,550.78, 4,900.08 and 2,058.99

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Solution

The fourth proportional to 3,550.78, 4,900.08 and 2,058.99 is: 2,841.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550.78 : 4,900.08 = 2,058.99 : x
  2. Step 2: Convert to fraction form
    3,550.78/4,900.08 = 2,058.99/x
  3. Step 3: Cross multiply
    3,550.78x = 4,900.08 × 2,058.99
  4. Step 4: Simplify right side
    3,550.78x = 10,089,215.72
  5. Step 5: Solve for x
    x = 10,089,215.72/3,550.78
  6. Step 6: Final answer
    x = 2,841.41

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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.