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Finding the Fourth Proportional to 18,597.93, 27,894.46 and 8,207.25

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Solution

The fourth proportional to 18,597.93, 27,894.46 and 8,207.25 is: 12,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.93 : 27,894.46 = 8,207.25 : x
  2. Step 2: Convert to fraction form
    18,597.93/27,894.46 = 8,207.25/x
  3. Step 3: Cross multiply
    18,597.93x = 27,894.46 × 8,207.25
  4. Step 4: Simplify right side
    18,597.93x = 228,936,806.84
  5. Step 5: Solve for x
    x = 228,936,806.84/18,597.93
  6. Step 6: Final answer
    x = 12,309.80

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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.