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Finding the Fourth Proportional to 8,524.21, 11,763.13 and 4,747.38

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Solution

The fourth proportional to 8,524.21, 11,763.13 and 4,747.38 is: 6,551.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,524.21 : 11,763.13 = 4,747.38 : x
  2. Step 2: Convert to fraction form
    8,524.21/11,763.13 = 4,747.38/x
  3. Step 3: Cross multiply
    8,524.21x = 11,763.13 × 4,747.38
  4. Step 4: Simplify right side
    8,524.21x = 55,844,048.10
  5. Step 5: Solve for x
    x = 55,844,048.10/8,524.21
  6. Step 6: Final answer
    x = 6,551.23

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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.