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Finding the Fourth Proportional to 16,356.52, 22,571.22 and 9,281.98

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Solution

The fourth proportional to 16,356.52, 22,571.22 and 9,281.98 is: 12,808.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,356.52 : 22,571.22 = 9,281.98 : x
  2. Step 2: Convert to fraction form
    16,356.52/22,571.22 = 9,281.98/x
  3. Step 3: Cross multiply
    16,356.52x = 22,571.22 × 9,281.98
  4. Step 4: Simplify right side
    16,356.52x = 209,505,612.62
  5. Step 5: Solve for x
    x = 209,505,612.62/16,356.52
  6. Step 6: Final answer
    x = 12,808.69

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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.