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Finding the Fourth Proportional to 46.83, 64.62 and 32.30

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Solution

The fourth proportional to 46.83, 64.62 and 32.30 is: 44.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.83 : 64.62 = 32.30 : x
  2. Step 2: Convert to fraction form
    46.83/64.62 = 32.30/x
  3. Step 3: Cross multiply
    46.83x = 64.62 × 32.30
  4. Step 4: Simplify right side
    46.83x = 2,087.24
  5. Step 5: Solve for x
    x = 2,087.24/46.83
  6. Step 6: Final answer
    x = 44.57

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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.