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Finding the Fourth Proportional to 8,773.98, 12,120.91 and 7,593

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Solution

The fourth proportional to 8,773.98, 12,120.91 and 7,593 is: 10,489.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.98 : 12,120.91 = 7,593 : x
  2. Step 2: Convert to fraction form
    8,773.98/12,120.91 = 7,593/x
  3. Step 3: Cross multiply
    8,773.98x = 12,120.91 × 7,593
  4. Step 4: Simplify right side
    8,773.98x = 92,034,069.63
  5. Step 5: Solve for x
    x = 92,034,069.63/8,773.98
  6. Step 6: Final answer
    x = 10,489.43

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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.