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Finding the Fourth Proportional to 32,399.90, 44,710.35 and 21,787.82

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Solution

The fourth proportional to 32,399.90, 44,710.35 and 21,787.82 is: 30,066.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,399.90 : 44,710.35 = 21,787.82 : x
  2. Step 2: Convert to fraction form
    32,399.90/44,710.35 = 21,787.82/x
  3. Step 3: Cross multiply
    32,399.90x = 44,710.35 × 21,787.82
  4. Step 4: Simplify right side
    32,399.90x = 974,141,057.94
  5. Step 5: Solve for x
    x = 974,141,057.94/32,399.90
  6. Step 6: Final answer
    x = 30,066.17

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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.