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Finding the Fourth Proportional to 8,344.94, 12,520.88 and 3,662.53

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Solution

The fourth proportional to 8,344.94, 12,520.88 and 3,662.53 is: 5,495.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,344.94 : 12,520.88 = 3,662.53 : x
  2. Step 2: Convert to fraction form
    8,344.94/12,520.88 = 3,662.53/x
  3. Step 3: Cross multiply
    8,344.94x = 12,520.88 × 3,662.53
  4. Step 4: Simplify right side
    8,344.94x = 45,858,017.71
  5. Step 5: Solve for x
    x = 45,858,017.71/8,344.94
  6. Step 6: Final answer
    x = 5,495.31

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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.