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Finding the Fourth Proportional to 8.93, 12.32 and 5.29

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Solution

The fourth proportional to 8.93, 12.32 and 5.29 is: 7.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8.93 : 12.32 = 5.29 : x
  2. Step 2: Convert to fraction form
    8.93/12.32 = 5.29/x
  3. Step 3: Cross multiply
    8.93x = 12.32 × 5.29
  4. Step 4: Simplify right side
    8.93x = 65.23
  5. Step 5: Solve for x
    x = 65.23/8.93
  6. Step 6: Final answer
    x = 7.30

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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.