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Finding the Fourth Proportional to 45,107.70, 62,239.77 and 25,723.86

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Solution

The fourth proportional to 45,107.70, 62,239.77 and 25,723.86 is: 35,493.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,107.70 : 62,239.77 = 25,723.86 : x
  2. Step 2: Convert to fraction form
    45,107.70/62,239.77 = 25,723.86/x
  3. Step 3: Cross multiply
    45,107.70x = 62,239.77 × 25,723.86
  4. Step 4: Simplify right side
    45,107.70x = 1,601,047,129.91
  5. Step 5: Solve for x
    x = 1,601,047,129.91/45,107.70
  6. Step 6: Final answer
    x = 35,493.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.