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Finding the Fourth Proportional to 6.93, 9.56 and 5.63

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Solution

The fourth proportional to 6.93, 9.56 and 5.63 is: 7.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.93 : 9.56 = 5.63 : x
  2. Step 2: Convert to fraction form
    6.93/9.56 = 5.63/x
  3. Step 3: Cross multiply
    6.93x = 9.56 × 5.63
  4. Step 4: Simplify right side
    6.93x = 53.82
  5. Step 5: Solve for x
    x = 53.82/6.93
  6. Step 6: Final answer
    x = 7.77

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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.