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Finding the Fourth Proportional to 18,477.08, 27,708.43 and 5,994.08

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Solution

The fourth proportional to 18,477.08, 27,708.43 and 5,994.08 is: 8,988.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477.08 : 27,708.43 = 5,994.08 : x
  2. Step 2: Convert to fraction form
    18,477.08/27,708.43 = 5,994.08/x
  3. Step 3: Cross multiply
    18,477.08x = 27,708.43 × 5,994.08
  4. Step 4: Simplify right side
    18,477.08x = 166,086,663.57
  5. Step 5: Solve for x
    x = 166,086,663.57/18,477.08
  6. Step 6: Final answer
    x = 8,988.79

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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.