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Finding the Fourth Proportional to 22,648.56, 31,253.97 and 12,577.64

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Solution

The fourth proportional to 22,648.56, 31,253.97 and 12,577.64 is: 17,356.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,648.56 : 31,253.97 = 12,577.64 : x
  2. Step 2: Convert to fraction form
    22,648.56/31,253.97 = 12,577.64/x
  3. Step 3: Cross multiply
    22,648.56x = 31,253.97 × 12,577.64
  4. Step 4: Simplify right side
    22,648.56x = 393,101,183.23
  5. Step 5: Solve for x
    x = 393,101,183.23/22,648.56
  6. Step 6: Final answer
    x = 17,356.56

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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.