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Finding the Fourth Proportional to 61,729.40, 92,615.70 and 26,694.20

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Solution

The fourth proportional to 61,729.40, 92,615.70 and 26,694.20 is: 40,050.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,729.40 : 92,615.70 = 26,694.20 : x
  2. Step 2: Convert to fraction form
    61,729.40/92,615.70 = 26,694.20/x
  3. Step 3: Cross multiply
    61,729.40x = 92,615.70 × 26,694.20
  4. Step 4: Simplify right side
    61,729.40x = 2,472,302,018.94
  5. Step 5: Solve for x
    x = 2,472,302,018.94/61,729.40
  6. Step 6: Final answer
    x = 40,050.64

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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.