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Finding the Fourth Proportional to 9,800.57, 13,524.35 and 5,551.54

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Solution

The fourth proportional to 9,800.57, 13,524.35 and 5,551.54 is: 7,660.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,800.57 : 13,524.35 = 5,551.54 : x
  2. Step 2: Convert to fraction form
    9,800.57/13,524.35 = 5,551.54/x
  3. Step 3: Cross multiply
    9,800.57x = 13,524.35 × 5,551.54
  4. Step 4: Simplify right side
    9,800.57x = 75,080,993.09
  5. Step 5: Solve for x
    x = 75,080,993.09/9,800.57
  6. Step 6: Final answer
    x = 7,660.88

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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.