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Finding the Fourth Proportional to 62,087.30, 93,078.30 and 22,621.40

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Solution

The fourth proportional to 62,087.30, 93,078.30 and 22,621.40 is: 33,912.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,087.30 : 93,078.30 = 22,621.40 : x
  2. Step 2: Convert to fraction form
    62,087.30/93,078.30 = 22,621.40/x
  3. Step 3: Cross multiply
    62,087.30x = 93,078.30 × 22,621.40
  4. Step 4: Simplify right side
    62,087.30x = 2,105,561,455.62
  5. Step 5: Solve for x
    x = 2,105,561,455.62/62,087.30
  6. Step 6: Final answer
    x = 33,912.92

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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.