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Finding the Fourth Proportional to 22,356.76, 30,852.31 and 12,285.84

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Solution

The fourth proportional to 22,356.76, 30,852.31 and 12,285.84 is: 16,954.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,356.76 : 30,852.31 = 12,285.84 : x
  2. Step 2: Convert to fraction form
    22,356.76/30,852.31 = 12,285.84/x
  3. Step 3: Cross multiply
    22,356.76x = 30,852.31 × 12,285.84
  4. Step 4: Simplify right side
    22,356.76x = 379,046,652.31
  5. Step 5: Solve for x
    x = 379,046,652.31/22,356.76
  6. Step 6: Final answer
    x = 16,954.45

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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.