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Finding the Fourth Proportional to 9,590, 13,234.92 and 5,398.16

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Solution

The fourth proportional to 9,590, 13,234.92 and 5,398.16 is: 7,449.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,590 : 13,234.92 = 5,398.16 : x
  2. Step 2: Convert to fraction form
    9,590/13,234.92 = 5,398.16/x
  3. Step 3: Cross multiply
    9,590x = 13,234.92 × 5,398.16
  4. Step 4: Simplify right side
    9,590x = 71,444,215.75
  5. Step 5: Solve for x
    x = 71,444,215.75/9,590
  6. Step 6: Final answer
    x = 7,449.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.