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Finding the Fourth Proportional to 62,367.86, 93,564.09 and 20,240.09

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Solution

The fourth proportional to 62,367.86, 93,564.09 and 20,240.09 is: 30,364.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,367.86 : 93,564.09 = 20,240.09 : x
  2. Step 2: Convert to fraction form
    62,367.86/93,564.09 = 20,240.09/x
  3. Step 3: Cross multiply
    62,367.86x = 93,564.09 × 20,240.09
  4. Step 4: Simplify right side
    62,367.86x = 1,893,745,602.37
  5. Step 5: Solve for x
    x = 1,893,745,602.37/62,367.86
  6. Step 6: Final answer
    x = 30,364.13

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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.