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Finding the Fourth Proportional to 5,220.08, 7,815.07 and 3,466.83

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Solution

The fourth proportional to 5,220.08, 7,815.07 and 3,466.83 is: 5,190.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.08 : 7,815.07 = 3,466.83 : x
  2. Step 2: Convert to fraction form
    5,220.08/7,815.07 = 3,466.83/x
  3. Step 3: Cross multiply
    5,220.08x = 7,815.07 × 3,466.83
  4. Step 4: Simplify right side
    5,220.08x = 27,093,519.13
  5. Step 5: Solve for x
    x = 27,093,519.13/5,220.08
  6. Step 6: Final answer
    x = 5,190.25

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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.