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Finding the Fourth Proportional to 7,598.91, 11,391.30 and 3,379.95

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Solution

The fourth proportional to 7,598.91, 11,391.30 and 3,379.95 is: 5,066.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,598.91 : 11,391.30 = 3,379.95 : x
  2. Step 2: Convert to fraction form
    7,598.91/11,391.30 = 3,379.95/x
  3. Step 3: Cross multiply
    7,598.91x = 11,391.30 × 3,379.95
  4. Step 4: Simplify right side
    7,598.91x = 38,502,024.44
  5. Step 5: Solve for x
    x = 38,502,024.44/7,598.91
  6. Step 6: Final answer
    x = 5,066.78

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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.