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Finding the Fourth Proportional to 10.17, 14.04 and 6.93

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Solution

The fourth proportional to 10.17, 14.04 and 6.93 is: 9.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.17 : 14.04 = 6.93 : x
  2. Step 2: Convert to fraction form
    10.17/14.04 = 6.93/x
  3. Step 3: Cross multiply
    10.17x = 14.04 × 6.93
  4. Step 4: Simplify right side
    10.17x = 97.30
  5. Step 5: Solve for x
    x = 97.30/10.17
  6. Step 6: Final answer
    x = 9.57

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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.