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Finding the Fourth Proportional to 5.60, 8.36 and 5.37

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Solution

The fourth proportional to 5.60, 8.36 and 5.37 is: 8.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.60 : 8.36 = 5.37 : x
  2. Step 2: Convert to fraction form
    5.60/8.36 = 5.37/x
  3. Step 3: Cross multiply
    5.60x = 8.36 × 5.37
  4. Step 4: Simplify right side
    5.60x = 44.87
  5. Step 5: Solve for x
    x = 44.87/5.60
  6. Step 6: Final answer
    x = 8.02

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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.