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Finding the Fourth Proportional to 47.53, 65.49 and 32.95

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Solution

The fourth proportional to 47.53, 65.49 and 32.95 is: 45.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.53 : 65.49 = 32.95 : x
  2. Step 2: Convert to fraction form
    47.53/65.49 = 32.95/x
  3. Step 3: Cross multiply
    47.53x = 65.49 × 32.95
  4. Step 4: Simplify right side
    47.53x = 2,157.90
  5. Step 5: Solve for x
    x = 2,157.90/47.53
  6. Step 6: Final answer
    x = 45.40

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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.