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Finding the Fourth Proportional to 6.24, 9.32 and 5.76

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Solution

The fourth proportional to 6.24, 9.32 and 5.76 is: 8.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.24 : 9.32 = 5.76 : x
  2. Step 2: Convert to fraction form
    6.24/9.32 = 5.76/x
  3. Step 3: Cross multiply
    6.24x = 9.32 × 5.76
  4. Step 4: Simplify right side
    6.24x = 53.65
  5. Step 5: Solve for x
    x = 53.65/6.24
  6. Step 6: Final answer
    x = 8.60

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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.