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Finding the Fourth Proportional to 4.37, 6.55 and 1.16

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Solution

The fourth proportional to 4.37, 6.55 and 1.16 is: 1.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.37 : 6.55 = 1.16 : x
  2. Step 2: Convert to fraction form
    4.37/6.55 = 1.16/x
  3. Step 3: Cross multiply
    4.37x = 6.55 × 1.16
  4. Step 4: Simplify right side
    4.37x = 7.58
  5. Step 5: Solve for x
    x = 7.58/4.37
  6. Step 6: Final answer
    x = 1.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.