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Finding the Fourth Proportional to 18,504.09, 27,753.08 and 6,655.47

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Solution

The fourth proportional to 18,504.09, 27,753.08 and 6,655.47 is: 9,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504.09 : 27,753.08 = 6,655.47 : x
  2. Step 2: Convert to fraction form
    18,504.09/27,753.08 = 6,655.47/x
  3. Step 3: Cross multiply
    18,504.09x = 27,753.08 × 6,655.47
  4. Step 4: Simplify right side
    18,504.09x = 184,709,758.07
  5. Step 5: Solve for x
    x = 184,709,758.07/18,504.09
  6. Step 6: Final answer
    x = 9,982.10

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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.