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Finding the Fourth Proportional to 8,563.49, 12,845.18 and 4,404.66

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Solution

The fourth proportional to 8,563.49, 12,845.18 and 4,404.66 is: 6,606.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,563.49 : 12,845.18 = 4,404.66 : x
  2. Step 2: Convert to fraction form
    8,563.49/12,845.18 = 4,404.66/x
  3. Step 3: Cross multiply
    8,563.49x = 12,845.18 × 4,404.66
  4. Step 4: Simplify right side
    8,563.49x = 56,578,661.55
  5. Step 5: Solve for x
    x = 56,578,661.55/8,563.49
  6. Step 6: Final answer
    x = 6,606.96

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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.