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Finding the Fourth Proportional to 9,800.70, 13,524.84 and 5,551.74

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Solution

The fourth proportional to 9,800.70, 13,524.84 and 5,551.74 is: 7,661.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,800.70 : 13,524.84 = 5,551.74 : x
  2. Step 2: Convert to fraction form
    9,800.70/13,524.84 = 5,551.74/x
  3. Step 3: Cross multiply
    9,800.70x = 13,524.84 × 5,551.74
  4. Step 4: Simplify right side
    9,800.70x = 75,086,395.22
  5. Step 5: Solve for x
    x = 75,086,395.22/9,800.70
  6. Step 6: Final answer
    x = 7,661.33

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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.