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Finding the Fourth Proportional to 8,593.84, 12,891.04 and 4,089.94

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Solution

The fourth proportional to 8,593.84, 12,891.04 and 4,089.94 is: 6,135.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,593.84 : 12,891.04 = 4,089.94 : x
  2. Step 2: Convert to fraction form
    8,593.84/12,891.04 = 4,089.94/x
  3. Step 3: Cross multiply
    8,593.84x = 12,891.04 × 4,089.94
  4. Step 4: Simplify right side
    8,593.84x = 52,723,580.14
  5. Step 5: Solve for x
    x = 52,723,580.14/8,593.84
  6. Step 6: Final answer
    x = 6,135.04

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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.