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Finding the Fourth Proportional to 5,663.92, 8,497.80 and 2,926

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Solution

The fourth proportional to 5,663.92, 8,497.80 and 2,926 is: 4,389.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,663.92 : 8,497.80 = 2,926 : x
  2. Step 2: Convert to fraction form
    5,663.92/8,497.80 = 2,926/x
  3. Step 3: Cross multiply
    5,663.92x = 8,497.80 × 2,926
  4. Step 4: Simplify right side
    5,663.92x = 24,864,562.80
  5. Step 5: Solve for x
    x = 24,864,562.80/5,663.92
  6. Step 6: Final answer
    x = 4,389.99

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Why These Related Problems?

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