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Finding the Fourth Proportional to 21,380.88, 32,068.89 and 5,797.32

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Solution

The fourth proportional to 21,380.88, 32,068.89 and 5,797.32 is: 8,695.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,380.88 : 32,068.89 = 5,797.32 : x
  2. Step 2: Convert to fraction form
    21,380.88/32,068.89 = 5,797.32/x
  3. Step 3: Cross multiply
    21,380.88x = 32,068.89 × 5,797.32
  4. Step 4: Simplify right side
    21,380.88x = 185,913,617.37
  5. Step 5: Solve for x
    x = 185,913,617.37/21,380.88
  6. Step 6: Final answer
    x = 8,695.32

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.