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Finding the Fourth Proportional to 46.98, 64.67 and 44.55

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Solution

The fourth proportional to 46.98, 64.67 and 44.55 is: 61.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.98 : 64.67 = 44.55 : x
  2. Step 2: Convert to fraction form
    46.98/64.67 = 44.55/x
  3. Step 3: Cross multiply
    46.98x = 64.67 × 44.55
  4. Step 4: Simplify right side
    46.98x = 2,880.83
  5. Step 5: Solve for x
    x = 2,880.83/46.98
  6. Step 6: Final answer
    x = 61.32

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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.