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Finding the Fourth Proportional to 35.49, 53.28 and 32.52

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Solution

The fourth proportional to 35.49, 53.28 and 32.52 is: 48.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.49 : 53.28 = 32.52 : x
  2. Step 2: Convert to fraction form
    35.49/53.28 = 32.52/x
  3. Step 3: Cross multiply
    35.49x = 53.28 × 32.52
  4. Step 4: Simplify right side
    35.49x = 1,732.67
  5. Step 5: Solve for x
    x = 1,732.67/35.49
  6. Step 6: Final answer
    x = 48.82

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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.