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Finding the Fourth Proportional to 40,493.72, 60,747.70 and 13,833.44

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Solution

The fourth proportional to 40,493.72, 60,747.70 and 13,833.44 is: 20,752.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,493.72 : 60,747.70 = 13,833.44 : x
  2. Step 2: Convert to fraction form
    40,493.72/60,747.70 = 13,833.44/x
  3. Step 3: Cross multiply
    40,493.72x = 60,747.70 × 13,833.44
  4. Step 4: Simplify right side
    40,493.72x = 840,349,663.09
  5. Step 5: Solve for x
    x = 840,349,663.09/40,493.72
  6. Step 6: Final answer
    x = 20,752.59

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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.