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Finding the Fourth Proportional to 46.46, 64.06 and 37.22

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Solution

The fourth proportional to 46.46, 64.06 and 37.22 is: 51.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.46 : 64.06 = 37.22 : x
  2. Step 2: Convert to fraction form
    46.46/64.06 = 37.22/x
  3. Step 3: Cross multiply
    46.46x = 64.06 × 37.22
  4. Step 4: Simplify right side
    46.46x = 2,384.28
  5. Step 5: Solve for x
    x = 2,384.28/46.46
  6. Step 6: Final answer
    x = 51.32

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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.