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Finding the Fourth Proportional to 26,277.84, 36,250.56 and 15,661.44

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Solution

The fourth proportional to 26,277.84, 36,250.56 and 15,661.44 is: 21,605.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,277.84 : 36,250.56 = 15,661.44 : x
  2. Step 2: Convert to fraction form
    26,277.84/36,250.56 = 15,661.44/x
  3. Step 3: Cross multiply
    26,277.84x = 36,250.56 × 15,661.44
  4. Step 4: Simplify right side
    26,277.84x = 567,735,970.41
  5. Step 5: Solve for x
    x = 567,735,970.41/26,277.84
  6. Step 6: Final answer
    x = 21,605.12

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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.