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Finding the Fourth Proportional to 46.90, 64.73 and 32.36

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Solution

The fourth proportional to 46.90, 64.73 and 32.36 is: 44.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.90 : 64.73 = 32.36 : x
  2. Step 2: Convert to fraction form
    46.90/64.73 = 32.36/x
  3. Step 3: Cross multiply
    46.90x = 64.73 × 32.36
  4. Step 4: Simplify right side
    46.90x = 2,094.66
  5. Step 5: Solve for x
    x = 2,094.66/46.90
  6. Step 6: Final answer
    x = 44.66

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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.