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Finding the Fourth Proportional to 35.60, 53.24 and 29.90

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Solution

The fourth proportional to 35.60, 53.24 and 29.90 is: 44.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.60 : 53.24 = 29.90 : x
  2. Step 2: Convert to fraction form
    35.60/53.24 = 29.90/x
  3. Step 3: Cross multiply
    35.60x = 53.24 × 29.90
  4. Step 4: Simplify right side
    35.60x = 1,591.46
  5. Step 5: Solve for x
    x = 1,591.46/35.60
  6. Step 6: Final answer
    x = 44.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.