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Finding the Fourth Proportional to 8,524.63, 11,764.35 and 4,747.79

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Solution

The fourth proportional to 8,524.63, 11,764.35 and 4,747.79 is: 6,552.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,524.63 : 11,764.35 = 4,747.79 : x
  2. Step 2: Convert to fraction form
    8,524.63/11,764.35 = 4,747.79/x
  3. Step 3: Cross multiply
    8,524.63x = 11,764.35 × 4,747.79
  4. Step 4: Simplify right side
    8,524.63x = 55,854,692.70
  5. Step 5: Solve for x
    x = 55,854,692.70/8,524.63
  6. Step 6: Final answer
    x = 6,552.16

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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.