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Finding the Fourth Proportional to 47.13, 65.00 and 32.58

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Solution

The fourth proportional to 47.13, 65.00 and 32.58 is: 44.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.13 : 65.00 = 32.58 : x
  2. Step 2: Convert to fraction form
    47.13/65.00 = 32.58/x
  3. Step 3: Cross multiply
    47.13x = 65.00 × 32.58
  4. Step 4: Simplify right side
    47.13x = 2,117.54
  5. Step 5: Solve for x
    x = 2,117.54/47.13
  6. Step 6: Final answer
    x = 44.93

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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.