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Finding the Fourth Proportional to 21,404.88, 32,104.08 and 5,823.72

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Solution

The fourth proportional to 21,404.88, 32,104.08 and 5,823.72 is: 8,734.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,404.88 : 32,104.08 = 5,823.72 : x
  2. Step 2: Convert to fraction form
    21,404.88/32,104.08 = 5,823.72/x
  3. Step 3: Cross multiply
    21,404.88x = 32,104.08 × 5,823.72
  4. Step 4: Simplify right side
    21,404.88x = 186,965,172.78
  5. Step 5: Solve for x
    x = 186,965,172.78/21,404.88
  6. Step 6: Final answer
    x = 8,734.70

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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.