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Finding the Fourth Proportional to 62,797.70, 94,137.99 and 21,215.62

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Solution

The fourth proportional to 62,797.70, 94,137.99 and 21,215.62 is: 31,803.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,797.70 : 94,137.99 = 21,215.62 : x
  2. Step 2: Convert to fraction form
    62,797.70/94,137.99 = 21,215.62/x
  3. Step 3: Cross multiply
    62,797.70x = 94,137.99 × 21,215.62
  4. Step 4: Simplify right side
    62,797.70x = 1,997,195,823.40
  5. Step 5: Solve for x
    x = 1,997,195,823.40/62,797.70
  6. Step 6: Final answer
    x = 31,803.65

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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.