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Finding the Fourth Proportional to 35.36, 53.08 and 14

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Solution

The fourth proportional to 35.36, 53.08 and 14 is: 21.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.36 : 53.08 = 14 : x
  2. Step 2: Convert to fraction form
    35.36/53.08 = 14/x
  3. Step 3: Cross multiply
    35.36x = 53.08 × 14
  4. Step 4: Simplify right side
    35.36x = 743.12
  5. Step 5: Solve for x
    x = 743.12/35.36
  6. Step 6: Final answer
    x = 21.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.