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Finding the Fourth Proportional to 58,622.26, 80,926.61 and 39,274.49

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Solution

The fourth proportional to 58,622.26, 80,926.61 and 39,274.49 is: 54,217.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,622.26 : 80,926.61 = 39,274.49 : x
  2. Step 2: Convert to fraction form
    58,622.26/80,926.61 = 39,274.49/x
  3. Step 3: Cross multiply
    58,622.26x = 80,926.61 × 39,274.49
  4. Step 4: Simplify right side
    58,622.26x = 3,178,350,832.36
  5. Step 5: Solve for x
    x = 3,178,350,832.36/58,622.26
  6. Step 6: Final answer
    x = 54,217.48

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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.