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Finding the Fourth Proportional to 60,940.99, 91,395.09 and 21,492.98

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Solution

The fourth proportional to 60,940.99, 91,395.09 and 21,492.98 is: 32,233.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,940.99 : 91,395.09 = 21,492.98 : x
  2. Step 2: Convert to fraction form
    60,940.99/91,395.09 = 21,492.98/x
  3. Step 3: Cross multiply
    60,940.99x = 91,395.09 × 21,492.98
  4. Step 4: Simplify right side
    60,940.99x = 1,964,352,734.00
  5. Step 5: Solve for x
    x = 1,964,352,734.00/60,940.99
  6. Step 6: Final answer
    x = 32,233.68

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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.