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Finding the Fourth Proportional to 8,536.71, 11,780.61 and 4,759.83

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Solution

The fourth proportional to 8,536.71, 11,780.61 and 4,759.83 is: 6,568.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,536.71 : 11,780.61 = 4,759.83 : x
  2. Step 2: Convert to fraction form
    8,536.71/11,780.61 = 4,759.83/x
  3. Step 3: Cross multiply
    8,536.71x = 11,780.61 × 4,759.83
  4. Step 4: Simplify right side
    8,536.71x = 56,073,700.90
  5. Step 5: Solve for x
    x = 56,073,700.90/8,536.71
  6. Step 6: Final answer
    x = 6,568.54

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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.