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Finding the Fourth Proportional to 8,834.59, 13,253.10 and 3,639.25

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Solution

The fourth proportional to 8,834.59, 13,253.10 and 3,639.25 is: 5,459.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,834.59 : 13,253.10 = 3,639.25 : x
  2. Step 2: Convert to fraction form
    8,834.59/13,253.10 = 3,639.25/x
  3. Step 3: Cross multiply
    8,834.59x = 13,253.10 × 3,639.25
  4. Step 4: Simplify right side
    8,834.59x = 48,231,344.18
  5. Step 5: Solve for x
    x = 48,231,344.18/8,834.59
  6. Step 6: Final answer
    x = 5,459.38

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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.