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Finding the Fourth Proportional to 46.88, 70.32 and 44.32

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Solution

The fourth proportional to 46.88, 70.32 and 44.32 is: 66.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.88 : 70.32 = 44.32 : x
  2. Step 2: Convert to fraction form
    46.88/70.32 = 44.32/x
  3. Step 3: Cross multiply
    46.88x = 70.32 × 44.32
  4. Step 4: Simplify right side
    46.88x = 3,116.58
  5. Step 5: Solve for x
    x = 3,116.58/46.88
  6. Step 6: Final answer
    x = 66.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.