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Finding the Fourth Proportional to 45.94, 63.36 and 35

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Solution

The fourth proportional to 45.94, 63.36 and 35 is: 48.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.94 : 63.36 = 35 : x
  2. Step 2: Convert to fraction form
    45.94/63.36 = 35/x
  3. Step 3: Cross multiply
    45.94x = 63.36 × 35
  4. Step 4: Simplify right side
    45.94x = 2,217.60
  5. Step 5: Solve for x
    x = 2,217.60/45.94
  6. Step 6: Final answer
    x = 48.27

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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.