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Finding the Fourth Proportional to 61,897.39, 92,845.24 and 19,776.92

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Solution

The fourth proportional to 61,897.39, 92,845.24 and 19,776.92 is: 29,665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,897.39 : 92,845.24 = 19,776.92 : x
  2. Step 2: Convert to fraction form
    61,897.39/92,845.24 = 19,776.92/x
  3. Step 3: Cross multiply
    61,897.39x = 92,845.24 × 19,776.92
  4. Step 4: Simplify right side
    61,897.39x = 1,836,192,370.19
  5. Step 5: Solve for x
    x = 1,836,192,370.19/61,897.39
  6. Step 6: Final answer
    x = 29,665.10

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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.