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Finding the Fourth Proportional to 62,420.94, 93,640.68 and 22,975.20

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Solution

The fourth proportional to 62,420.94, 93,640.68 and 22,975.20 is: 34,466.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,420.94 : 93,640.68 = 22,975.20 : x
  2. Step 2: Convert to fraction form
    62,420.94/93,640.68 = 22,975.20/x
  3. Step 3: Cross multiply
    62,420.94x = 93,640.68 × 22,975.20
  4. Step 4: Simplify right side
    62,420.94x = 2,151,413,351.14
  5. Step 5: Solve for x
    x = 2,151,413,351.14/62,420.94
  6. Step 6: Final answer
    x = 34,466.21

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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.