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Finding the Fourth Proportional to 35.39, 53.00 and 25.24

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Solution

The fourth proportional to 35.39, 53.00 and 25.24 is: 37.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.39 : 53.00 = 25.24 : x
  2. Step 2: Convert to fraction form
    35.39/53.00 = 25.24/x
  3. Step 3: Cross multiply
    35.39x = 53.00 × 25.24
  4. Step 4: Simplify right side
    35.39x = 1,337.65
  5. Step 5: Solve for x
    x = 1,337.65/35.39
  6. Step 6: Final answer
    x = 37.80

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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.