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Finding the Fourth Proportional to 10.01, 14.95 and 6.98

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Solution

The fourth proportional to 10.01, 14.95 and 6.98 is: 10.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.01 : 14.95 = 6.98 : x
  2. Step 2: Convert to fraction form
    10.01/14.95 = 6.98/x
  3. Step 3: Cross multiply
    10.01x = 14.95 × 6.98
  4. Step 4: Simplify right side
    10.01x = 104.27
  5. Step 5: Solve for x
    x = 104.27/10.01
  6. Step 6: Final answer
    x = 10.42

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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.