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Finding the Fourth Proportional to 6.53, 8.99 and 6.06

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Solution

The fourth proportional to 6.53, 8.99 and 6.06 is: 8.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.53 : 8.99 = 6.06 : x
  2. Step 2: Convert to fraction form
    6.53/8.99 = 6.06/x
  3. Step 3: Cross multiply
    6.53x = 8.99 × 6.06
  4. Step 4: Simplify right side
    6.53x = 54.45
  5. Step 5: Solve for x
    x = 54.45/6.53
  6. Step 6: Final answer
    x = 8.34

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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.