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Finding the Fourth Proportional to 16,520.90, 22,791.93 and 10,228.82

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Solution

The fourth proportional to 16,520.90, 22,791.93 and 10,228.82 is: 14,111.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,520.90 : 22,791.93 = 10,228.82 : x
  2. Step 2: Convert to fraction form
    16,520.90/22,791.93 = 10,228.82/x
  3. Step 3: Cross multiply
    16,520.90x = 22,791.93 × 10,228.82
  4. Step 4: Simplify right side
    16,520.90x = 233,134,549.42
  5. Step 5: Solve for x
    x = 233,134,549.42/16,520.90
  6. Step 6: Final answer
    x = 14,111.49

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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.