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Finding the Fourth Proportional to 6,550.54, 9,819.42 and 4,331.02

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Solution

The fourth proportional to 6,550.54, 9,819.42 and 4,331.02 is: 6,492.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,550.54 : 9,819.42 = 4,331.02 : x
  2. Step 2: Convert to fraction form
    6,550.54/9,819.42 = 4,331.02/x
  3. Step 3: Cross multiply
    6,550.54x = 9,819.42 × 4,331.02
  4. Step 4: Simplify right side
    6,550.54x = 42,528,104.41
  5. Step 5: Solve for x
    x = 42,528,104.41/6,550.54
  6. Step 6: Final answer
    x = 6,492.31

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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.