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Finding the Fourth Proportional to 35.15, 52.64 and 24.29

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Solution

The fourth proportional to 35.15, 52.64 and 24.29 is: 36.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.15 : 52.64 = 24.29 : x
  2. Step 2: Convert to fraction form
    35.15/52.64 = 24.29/x
  3. Step 3: Cross multiply
    35.15x = 52.64 × 24.29
  4. Step 4: Simplify right side
    35.15x = 1,278.67
  5. Step 5: Solve for x
    x = 1,278.67/35.15
  6. Step 6: Final answer
    x = 36.38

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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.