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Finding the Fourth Proportional to 18,402.27, 27,597.93 and 6,712.75

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Solution

The fourth proportional to 18,402.27, 27,597.93 and 6,712.75 is: 10,067.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402.27 : 27,597.93 = 6,712.75 : x
  2. Step 2: Convert to fraction form
    18,402.27/27,597.93 = 6,712.75/x
  3. Step 3: Cross multiply
    18,402.27x = 27,597.93 × 6,712.75
  4. Step 4: Simplify right side
    18,402.27x = 185,258,004.61
  5. Step 5: Solve for x
    x = 185,258,004.61/18,402.27
  6. Step 6: Final answer
    x = 10,067.13

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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.