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Finding the Fourth Proportional to 72,634.99, 108,952.52 and 22,715.35

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Solution

The fourth proportional to 72,634.99, 108,952.52 and 22,715.35 is: 34,073.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,634.99 : 108,952.52 = 22,715.35 : x
  2. Step 2: Convert to fraction form
    72,634.99/108,952.52 = 22,715.35/x
  3. Step 3: Cross multiply
    72,634.99x = 108,952.52 × 22,715.35
  4. Step 4: Simplify right side
    72,634.99x = 2,474,894,625.18
  5. Step 5: Solve for x
    x = 2,474,894,625.18/72,634.99
  6. Step 6: Final answer
    x = 34,073.04

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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.