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Finding the Fourth Proportional to 9,800.48, 13,524.47 and 5,551.48

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Solution

The fourth proportional to 9,800.48, 13,524.47 and 5,551.48 is: 7,660.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,800.48 : 13,524.47 = 5,551.48 : x
  2. Step 2: Convert to fraction form
    9,800.48/13,524.47 = 5,551.48/x
  3. Step 3: Cross multiply
    9,800.48x = 13,524.47 × 5,551.48
  4. Step 4: Simplify right side
    9,800.48x = 75,080,824.72
  5. Step 5: Solve for x
    x = 75,080,824.72/9,800.48
  6. Step 6: Final answer
    x = 7,660.93

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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.