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Finding the Fourth Proportional to 27,708.44, 41,549.58 and 8,978.06

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Solution

The fourth proportional to 27,708.44, 41,549.58 and 8,978.06 is: 13,462.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,708.44 : 41,549.58 = 8,978.06 : x
  2. Step 2: Convert to fraction form
    27,708.44/41,549.58 = 8,978.06/x
  3. Step 3: Cross multiply
    27,708.44x = 41,549.58 × 8,978.06
  4. Step 4: Simplify right side
    27,708.44x = 373,034,736.73
  5. Step 5: Solve for x
    x = 373,034,736.73/27,708.44
  6. Step 6: Final answer
    x = 13,462.86

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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.