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Finding the Fourth Proportional to 8,345.99, 12,523.30 and 3,669.28

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Solution

The fourth proportional to 8,345.99, 12,523.30 and 3,669.28 is: 5,505.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.99 : 12,523.30 = 3,669.28 : x
  2. Step 2: Convert to fraction form
    8,345.99/12,523.30 = 3,669.28/x
  3. Step 3: Cross multiply
    8,345.99x = 12,523.30 × 3,669.28
  4. Step 4: Simplify right side
    8,345.99x = 45,951,494.22
  5. Step 5: Solve for x
    x = 45,951,494.22/8,345.99
  6. Step 6: Final answer
    x = 5,505.82

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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.