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Finding the Fourth Proportional to 18,504.84, 27,754.20 and 6,656.22

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Solution

The fourth proportional to 18,504.84, 27,754.20 and 6,656.22 is: 9,983.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504.84 : 27,754.20 = 6,656.22 : x
  2. Step 2: Convert to fraction form
    18,504.84/27,754.20 = 6,656.22/x
  3. Step 3: Cross multiply
    18,504.84x = 27,754.20 × 6,656.22
  4. Step 4: Simplify right side
    18,504.84x = 184,738,061.12
  5. Step 5: Solve for x
    x = 184,738,061.12/18,504.84
  6. Step 6: Final answer
    x = 9,983.23

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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.