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Finding the Fourth Proportional to 7.14, 9.84 and 5.93

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Solution

The fourth proportional to 7.14, 9.84 and 5.93 is: 8.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.14 : 9.84 = 5.93 : x
  2. Step 2: Convert to fraction form
    7.14/9.84 = 5.93/x
  3. Step 3: Cross multiply
    7.14x = 9.84 × 5.93
  4. Step 4: Simplify right side
    7.14x = 58.36
  5. Step 5: Solve for x
    x = 58.36/7.14
  6. Step 6: Final answer
    x = 8.17

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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.