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Finding the Fourth Proportional to 47.46, 65.49 and 29.02

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Solution

The fourth proportional to 47.46, 65.49 and 29.02 is: 40.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.46 : 65.49 = 29.02 : x
  2. Step 2: Convert to fraction form
    47.46/65.49 = 29.02/x
  3. Step 3: Cross multiply
    47.46x = 65.49 × 29.02
  4. Step 4: Simplify right side
    47.46x = 1,900.52
  5. Step 5: Solve for x
    x = 1,900.52/47.46
  6. Step 6: Final answer
    x = 40.04

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