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Finding the Fourth Proportional to 6.07, 9.05 and 5.64

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Solution

The fourth proportional to 6.07, 9.05 and 5.64 is: 8.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.07 : 9.05 = 5.64 : x
  2. Step 2: Convert to fraction form
    6.07/9.05 = 5.64/x
  3. Step 3: Cross multiply
    6.07x = 9.05 × 5.64
  4. Step 4: Simplify right side
    6.07x = 51.06
  5. Step 5: Solve for x
    x = 51.06/6.07
  6. Step 6: Final answer
    x = 8.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.