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Finding the Fourth Proportional to 16,316.91, 24,463.40 and 5,217.21

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Solution

The fourth proportional to 16,316.91, 24,463.40 and 5,217.21 is: 7,821.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,316.91 : 24,463.40 = 5,217.21 : x
  2. Step 2: Convert to fraction form
    16,316.91/24,463.40 = 5,217.21/x
  3. Step 3: Cross multiply
    16,316.91x = 24,463.40 × 5,217.21
  4. Step 4: Simplify right side
    16,316.91x = 127,630,695.11
  5. Step 5: Solve for x
    x = 127,630,695.11/16,316.91
  6. Step 6: Final answer
    x = 7,821.99

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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.