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Finding the Fourth Proportional to 6.07, 8.36 and 5.50

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Solution

The fourth proportional to 6.07, 8.36 and 5.50 is: 7.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.07 : 8.36 = 5.50 : x
  2. Step 2: Convert to fraction form
    6.07/8.36 = 5.50/x
  3. Step 3: Cross multiply
    6.07x = 8.36 × 5.50
  4. Step 4: Simplify right side
    6.07x = 45.98
  5. Step 5: Solve for x
    x = 45.98/6.07
  6. Step 6: Final answer
    x = 7.57

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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.