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Finding the Fourth Proportional to 47.13, 65.01 and 32.35

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Solution

The fourth proportional to 47.13, 65.01 and 32.35 is: 44.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.13 : 65.01 = 32.35 : x
  2. Step 2: Convert to fraction form
    47.13/65.01 = 32.35/x
  3. Step 3: Cross multiply
    47.13x = 65.01 × 32.35
  4. Step 4: Simplify right side
    47.13x = 2,103.07
  5. Step 5: Solve for x
    x = 2,103.07/47.13
  6. Step 6: Final answer
    x = 44.62

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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.