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Finding the Fourth Proportional to 4,351.80, 6,563.73 and 4,063.80

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Solution

The fourth proportional to 4,351.80, 6,563.73 and 4,063.80 is: 6,129.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,351.80 : 6,563.73 = 4,063.80 : x
  2. Step 2: Convert to fraction form
    4,351.80/6,563.73 = 4,063.80/x
  3. Step 3: Cross multiply
    4,351.80x = 6,563.73 × 4,063.80
  4. Step 4: Simplify right side
    4,351.80x = 26,673,685.97
  5. Step 5: Solve for x
    x = 26,673,685.97/4,351.80
  6. Step 6: Final answer
    x = 6,129.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.