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Finding the Fourth Proportional to 61,383.27, 92,078.79 and 19,265.01

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Solution

The fourth proportional to 61,383.27, 92,078.79 and 19,265.01 is: 28,898.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,383.27 : 92,078.79 = 19,265.01 : x
  2. Step 2: Convert to fraction form
    61,383.27/92,078.79 = 19,265.01/x
  3. Step 3: Cross multiply
    61,383.27x = 92,078.79 × 19,265.01
  4. Step 4: Simplify right side
    61,383.27x = 1,773,898,810.14
  5. Step 5: Solve for x
    x = 1,773,898,810.14/61,383.27
  6. Step 6: Final answer
    x = 28,898.73

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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.