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Finding the Fourth Proportional to 6, 8.95 and 4.86

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Solution

The fourth proportional to 6, 8.95 and 4.86 is: 7.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6 : 8.95 = 4.86 : x
  2. Step 2: Convert to fraction form
    6/8.95 = 4.86/x
  3. Step 3: Cross multiply
    6x = 8.95 × 4.86
  4. Step 4: Simplify right side
    6x = 43.50
  5. Step 5: Solve for x
    x = 43.50/6
  6. Step 6: Final answer
    x = 7.25

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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.