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Finding the Fourth Proportional to 14.01, 19.32 and 10.77

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Solution

The fourth proportional to 14.01, 19.32 and 10.77 is: 14.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.01 : 19.32 = 10.77 : x
  2. Step 2: Convert to fraction form
    14.01/19.32 = 10.77/x
  3. Step 3: Cross multiply
    14.01x = 19.32 × 10.77
  4. Step 4: Simplify right side
    14.01x = 208.08
  5. Step 5: Solve for x
    x = 208.08/14.01
  6. Step 6: Final answer
    x = 14.85

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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.