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Finding the Fourth Proportional to 61,540.40, 92,311.32 and 17,164.44

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Solution

The fourth proportional to 61,540.40, 92,311.32 and 17,164.44 is: 25,746.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,540.40 : 92,311.32 = 17,164.44 : x
  2. Step 2: Convert to fraction form
    61,540.40/92,311.32 = 17,164.44/x
  3. Step 3: Cross multiply
    61,540.40x = 92,311.32 × 17,164.44
  4. Step 4: Simplify right side
    61,540.40x = 1,584,472,113.46
  5. Step 5: Solve for x
    x = 1,584,472,113.46/61,540.40
  6. Step 6: Final answer
    x = 25,746.86

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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.