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Finding the Fourth Proportional to 27,262.72, 40,889.34 and 8,794.72

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Solution

The fourth proportional to 27,262.72, 40,889.34 and 8,794.72 is: 13,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,262.72 : 40,889.34 = 8,794.72 : x
  2. Step 2: Convert to fraction form
    27,262.72/40,889.34 = 8,794.72/x
  3. Step 3: Cross multiply
    27,262.72x = 40,889.34 × 8,794.72
  4. Step 4: Simplify right side
    27,262.72x = 359,610,296.28
  5. Step 5: Solve for x
    x = 359,610,296.28/27,262.72
  6. Step 6: Final answer
    x = 13,190.55

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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.