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Finding the Fourth Proportional to 1.41, 1.95 and 1.01

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Solution

The fourth proportional to 1.41, 1.95 and 1.01 is: 1.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.41 : 1.95 = 1.01 : x
  2. Step 2: Convert to fraction form
    1.41/1.95 = 1.01/x
  3. Step 3: Cross multiply
    1.41x = 1.95 × 1.01
  4. Step 4: Simplify right side
    1.41x = 1.96
  5. Step 5: Solve for x
    x = 1.96/1.41
  6. Step 6: Final answer
    x = 1.39

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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.