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Finding the Fourth Proportional to 6.52, 9.00 and 4.99

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Solution

The fourth proportional to 6.52, 9.00 and 4.99 is: 6.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.52 : 9.00 = 4.99 : x
  2. Step 2: Convert to fraction form
    6.52/9.00 = 4.99/x
  3. Step 3: Cross multiply
    6.52x = 9.00 × 4.99
  4. Step 4: Simplify right side
    6.52x = 44.93
  5. Step 5: Solve for x
    x = 44.93/6.52
  6. Step 6: Final answer
    x = 6.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.