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Finding the Fourth Proportional to 61,381.38, 92,071.81 and 17,008

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Solution

The fourth proportional to 61,381.38, 92,071.81 and 17,008 is: 25,511.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,381.38 : 92,071.81 = 17,008 : x
  2. Step 2: Convert to fraction form
    61,381.38/92,071.81 = 17,008/x
  3. Step 3: Cross multiply
    61,381.38x = 92,071.81 × 17,008
  4. Step 4: Simplify right side
    61,381.38x = 1,565,957,301.96
  5. Step 5: Solve for x
    x = 1,565,957,301.96/61,381.38
  6. Step 6: Final answer
    x = 25,511.93

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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.