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Finding the Fourth Proportional to 18,447.27, 27,664.12 and 6,597.83

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Solution

The fourth proportional to 18,447.27, 27,664.12 and 6,597.83 is: 9,894.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447.27 : 27,664.12 = 6,597.83 : x
  2. Step 2: Convert to fraction form
    18,447.27/27,664.12 = 6,597.83/x
  3. Step 3: Cross multiply
    18,447.27x = 27,664.12 × 6,597.83
  4. Step 4: Simplify right side
    18,447.27x = 182,523,238.27
  5. Step 5: Solve for x
    x = 182,523,238.27/18,447.27
  6. Step 6: Final answer
    x = 9,894.32

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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.