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Finding the Fourth Proportional to 62,366.86, 93,562.59 and 20,239.09

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Solution

The fourth proportional to 62,366.86, 93,562.59 and 20,239.09 is: 30,362.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,366.86 : 93,562.59 = 20,239.09 : x
  2. Step 2: Convert to fraction form
    62,366.86/93,562.59 = 20,239.09/x
  3. Step 3: Cross multiply
    62,366.86x = 93,562.59 × 20,239.09
  4. Step 4: Simplify right side
    62,366.86x = 1,893,621,784.78
  5. Step 5: Solve for x
    x = 1,893,621,784.78/62,366.86
  6. Step 6: Final answer
    x = 30,362.63

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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.