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Finding the Fourth Proportional to 40,489.91, 60,610.31 and 26,419.64

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Solution

The fourth proportional to 40,489.91, 60,610.31 and 26,419.64 is: 39,548.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,489.91 : 60,610.31 = 26,419.64 : x
  2. Step 2: Convert to fraction form
    40,489.91/60,610.31 = 26,419.64/x
  3. Step 3: Cross multiply
    40,489.91x = 60,610.31 × 26,419.64
  4. Step 4: Simplify right side
    40,489.91x = 1,601,302,234.41
  5. Step 5: Solve for x
    x = 1,601,302,234.41/40,489.91
  6. Step 6: Final answer
    x = 39,548.18

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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.