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Finding the Fourth Proportional to 35.07, 52.59 and 12.24

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Solution

The fourth proportional to 35.07, 52.59 and 12.24 is: 18.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.07 : 52.59 = 12.24 : x
  2. Step 2: Convert to fraction form
    35.07/52.59 = 12.24/x
  3. Step 3: Cross multiply
    35.07x = 52.59 × 12.24
  4. Step 4: Simplify right side
    35.07x = 643.70
  5. Step 5: Solve for x
    x = 643.70/35.07
  6. Step 6: Final answer
    x = 18.36

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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.