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Finding the Fourth Proportional to 9,328.01, 13,992 and 6,397.43

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Solution

The fourth proportional to 9,328.01, 13,992 and 6,397.43 is: 9,596.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.01 : 13,992 = 6,397.43 : x
  2. Step 2: Convert to fraction form
    9,328.01/13,992 = 6,397.43/x
  3. Step 3: Cross multiply
    9,328.01x = 13,992 × 6,397.43
  4. Step 4: Simplify right side
    9,328.01x = 89,512,840.56
  5. Step 5: Solve for x
    x = 89,512,840.56/9,328.01
  6. Step 6: Final answer
    x = 9,596.13

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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.