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Finding the Fourth Proportional to 35.96, 53.59 and 32.68

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Solution

The fourth proportional to 35.96, 53.59 and 32.68 is: 48.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.96 : 53.59 = 32.68 : x
  2. Step 2: Convert to fraction form
    35.96/53.59 = 32.68/x
  3. Step 3: Cross multiply
    35.96x = 53.59 × 32.68
  4. Step 4: Simplify right side
    35.96x = 1,751.32
  5. Step 5: Solve for x
    x = 1,751.32/35.96
  6. Step 6: Final answer
    x = 48.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.