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Finding the Fourth Proportional to 26,368.43, 36,388.44 and 14,431.76

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Solution

The fourth proportional to 26,368.43, 36,388.44 and 14,431.76 is: 19,915.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,368.43 : 36,388.44 = 14,431.76 : x
  2. Step 2: Convert to fraction form
    26,368.43/36,388.44 = 14,431.76/x
  3. Step 3: Cross multiply
    26,368.43x = 36,388.44 × 14,431.76
  4. Step 4: Simplify right side
    26,368.43x = 525,149,050.91
  5. Step 5: Solve for x
    x = 525,149,050.91/26,368.43
  6. Step 6: Final answer
    x = 19,915.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.