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Finding the Fourth Proportional to 35.02, 48.32 and 24.12

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Solution

The fourth proportional to 35.02, 48.32 and 24.12 is: 33.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.02 : 48.32 = 24.12 : x
  2. Step 2: Convert to fraction form
    35.02/48.32 = 24.12/x
  3. Step 3: Cross multiply
    35.02x = 48.32 × 24.12
  4. Step 4: Simplify right side
    35.02x = 1,165.48
  5. Step 5: Solve for x
    x = 1,165.48/35.02
  6. Step 6: Final answer
    x = 33.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.