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Finding the Fourth Proportional to 8,601.08, 12,901.62 and 3,669.80

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Solution

The fourth proportional to 8,601.08, 12,901.62 and 3,669.80 is: 5,504.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601.08 : 12,901.62 = 3,669.80 : x
  2. Step 2: Convert to fraction form
    8,601.08/12,901.62 = 3,669.80/x
  3. Step 3: Cross multiply
    8,601.08x = 12,901.62 × 3,669.80
  4. Step 4: Simplify right side
    8,601.08x = 47,346,365.08
  5. Step 5: Solve for x
    x = 47,346,365.08/8,601.08
  6. Step 6: Final answer
    x = 5,504.70

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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.