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Finding the Fourth Proportional to 61,472.73, 92,222.99 and 18,782.01

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Solution

The fourth proportional to 61,472.73, 92,222.99 and 18,782.01 is: 28,177.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,472.73 : 92,222.99 = 18,782.01 : x
  2. Step 2: Convert to fraction form
    61,472.73/92,222.99 = 18,782.01/x
  3. Step 3: Cross multiply
    61,472.73x = 92,222.99 × 18,782.01
  4. Step 4: Simplify right side
    61,472.73x = 1,732,133,397.92
  5. Step 5: Solve for x
    x = 1,732,133,397.92/61,472.73
  6. Step 6: Final answer
    x = 28,177.27

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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.