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Finding the Fourth Proportional to 61,711.91, 92,548.72 and 22,263.89

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Solution

The fourth proportional to 61,711.91, 92,548.72 and 22,263.89 is: 33,388.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,711.91 : 92,548.72 = 22,263.89 : x
  2. Step 2: Convert to fraction form
    61,711.91/92,548.72 = 22,263.89/x
  3. Step 3: Cross multiply
    61,711.91x = 92,548.72 × 22,263.89
  4. Step 4: Simplify right side
    61,711.91x = 2,060,494,410.40
  5. Step 5: Solve for x
    x = 2,060,494,410.40/61,711.91
  6. Step 6: Final answer
    x = 33,388.93

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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.