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Finding the Fourth Proportional to 61,814.91, 92,722.29 and 22,362.78

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Solution

The fourth proportional to 61,814.91, 92,722.29 and 22,362.78 is: 33,544.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,814.91 : 92,722.29 = 22,362.78 : x
  2. Step 2: Convert to fraction form
    61,814.91/92,722.29 = 22,362.78/x
  3. Step 3: Cross multiply
    61,814.91x = 92,722.29 × 22,362.78
  4. Step 4: Simplify right side
    61,814.91x = 2,073,528,436.21
  5. Step 5: Solve for x
    x = 2,073,528,436.21/61,814.91
  6. Step 6: Final answer
    x = 33,544.15

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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.