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Finding the Fourth Proportional to 61,991.44, 92,963.22 and 26,430.28

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Solution

The fourth proportional to 61,991.44, 92,963.22 and 26,430.28 is: 39,635.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,991.44 : 92,963.22 = 26,430.28 : x
  2. Step 2: Convert to fraction form
    61,991.44/92,963.22 = 26,430.28/x
  3. Step 3: Cross multiply
    61,991.44x = 92,963.22 × 26,430.28
  4. Step 4: Simplify right side
    61,991.44x = 2,457,043,934.30
  5. Step 5: Solve for x
    x = 2,457,043,934.30/61,991.44
  6. Step 6: Final answer
    x = 39,635.21

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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.