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Finding the Fourth Proportional to 8,351.60, 11,524.80 and 4,814.88

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Solution

The fourth proportional to 8,351.60, 11,524.80 and 4,814.88 is: 6,644.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,351.60 : 11,524.80 = 4,814.88 : x
  2. Step 2: Convert to fraction form
    8,351.60/11,524.80 = 4,814.88/x
  3. Step 3: Cross multiply
    8,351.60x = 11,524.80 × 4,814.88
  4. Step 4: Simplify right side
    8,351.60x = 55,490,529.02
  5. Step 5: Solve for x
    x = 55,490,529.02/8,351.60
  6. Step 6: Final answer
    x = 6,644.30

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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.