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Finding the Fourth Proportional to 35.69, 53.24 and 35.03

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Solution

The fourth proportional to 35.69, 53.24 and 35.03 is: 52.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.69 : 53.24 = 35.03 : x
  2. Step 2: Convert to fraction form
    35.69/53.24 = 35.03/x
  3. Step 3: Cross multiply
    35.69x = 53.24 × 35.03
  4. Step 4: Simplify right side
    35.69x = 1,864.96
  5. Step 5: Solve for x
    x = 1,864.96/35.69
  6. Step 6: Final answer
    x = 52.26

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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.