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Finding the Fourth Proportional to 27,662.86, 41,455.41 and 12,047.74

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Solution

The fourth proportional to 27,662.86, 41,455.41 and 12,047.74 is: 18,054.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,662.86 : 41,455.41 = 12,047.74 : x
  2. Step 2: Convert to fraction form
    27,662.86/41,455.41 = 12,047.74/x
  3. Step 3: Cross multiply
    27,662.86x = 41,455.41 × 12,047.74
  4. Step 4: Simplify right side
    27,662.86x = 499,444,001.27
  5. Step 5: Solve for x
    x = 499,444,001.27/27,662.86
  6. Step 6: Final answer
    x = 18,054.68

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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.