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Finding the Fourth Proportional to 9.08, 12.53 and 5.84

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Solution

The fourth proportional to 9.08, 12.53 and 5.84 is: 8.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.08 : 12.53 = 5.84 : x
  2. Step 2: Convert to fraction form
    9.08/12.53 = 5.84/x
  3. Step 3: Cross multiply
    9.08x = 12.53 × 5.84
  4. Step 4: Simplify right side
    9.08x = 73.18
  5. Step 5: Solve for x
    x = 73.18/9.08
  6. Step 6: Final answer
    x = 8.06

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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.