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Finding the Fourth Proportional to 8,464.04, 12,694 and 3,533.72

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Solution

The fourth proportional to 8,464.04, 12,694 and 3,533.72 is: 5,299.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464.04 : 12,694 = 3,533.72 : x
  2. Step 2: Convert to fraction form
    8,464.04/12,694 = 3,533.72/x
  3. Step 3: Cross multiply
    8,464.04x = 12,694 × 3,533.72
  4. Step 4: Simplify right side
    8,464.04x = 44,857,041.68
  5. Step 5: Solve for x
    x = 44,857,041.68/8,464.04
  6. Step 6: Final answer
    x = 5,299.72

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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.