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Finding the Fourth Proportional to 8,759.69, 12,024.06 and 7,742.73

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Solution

The fourth proportional to 8,759.69, 12,024.06 and 7,742.73 is: 10,628.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.69 : 12,024.06 = 7,742.73 : x
  2. Step 2: Convert to fraction form
    8,759.69/12,024.06 = 7,742.73/x
  3. Step 3: Cross multiply
    8,759.69x = 12,024.06 × 7,742.73
  4. Step 4: Simplify right side
    8,759.69x = 93,099,050.08
  5. Step 5: Solve for x
    x = 93,099,050.08/8,759.69
  6. Step 6: Final answer
    x = 10,628.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.