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Finding the Fourth Proportional to 8,773.73, 13,149.96 and 6,443.63

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Solution

The fourth proportional to 8,773.73, 13,149.96 and 6,443.63 is: 9,657.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.73 : 13,149.96 = 6,443.63 : x
  2. Step 2: Convert to fraction form
    8,773.73/13,149.96 = 6,443.63/x
  3. Step 3: Cross multiply
    8,773.73x = 13,149.96 × 6,443.63
  4. Step 4: Simplify right side
    8,773.73x = 84,733,476.75
  5. Step 5: Solve for x
    x = 84,733,476.75/8,773.73
  6. Step 6: Final answer
    x = 9,657.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.