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Finding the Fourth Proportional to 46.92, 64.72 and 32.36

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Solution

The fourth proportional to 46.92, 64.72 and 32.36 is: 44.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.92 : 64.72 = 32.36 : x
  2. Step 2: Convert to fraction form
    46.92/64.72 = 32.36/x
  3. Step 3: Cross multiply
    46.92x = 64.72 × 32.36
  4. Step 4: Simplify right side
    46.92x = 2,094.34
  5. Step 5: Solve for x
    x = 2,094.34/46.92
  6. Step 6: Final answer
    x = 44.64

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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.