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Finding the Fourth Proportional to 13,753.25, 20,601.15 and 8,797.71

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Solution

The fourth proportional to 13,753.25, 20,601.15 and 8,797.71 is: 13,178.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753.25 : 20,601.15 = 8,797.71 : x
  2. Step 2: Convert to fraction form
    13,753.25/20,601.15 = 8,797.71/x
  3. Step 3: Cross multiply
    13,753.25x = 20,601.15 × 8,797.71
  4. Step 4: Simplify right side
    13,753.25x = 181,242,987.63
  5. Step 5: Solve for x
    x = 181,242,987.63/13,753.25
  6. Step 6: Final answer
    x = 13,178.19

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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.