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Finding the Fourth Proportional to 8,593.74, 12,881.18 and 4,434.05

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Solution

The fourth proportional to 8,593.74, 12,881.18 and 4,434.05 is: 6,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,593.74 : 12,881.18 = 4,434.05 : x
  2. Step 2: Convert to fraction form
    8,593.74/12,881.18 = 4,434.05/x
  3. Step 3: Cross multiply
    8,593.74x = 12,881.18 × 4,434.05
  4. Step 4: Simplify right side
    8,593.74x = 57,115,709.60
  5. Step 5: Solve for x
    x = 57,115,709.60/8,593.74
  6. Step 6: Final answer
    x = 6,646.20

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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.