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Finding the Fourth Proportional to 45.46, 62.62 and 35.07

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Solution

The fourth proportional to 45.46, 62.62 and 35.07 is: 48.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.46 : 62.62 = 35.07 : x
  2. Step 2: Convert to fraction form
    45.46/62.62 = 35.07/x
  3. Step 3: Cross multiply
    45.46x = 62.62 × 35.07
  4. Step 4: Simplify right side
    45.46x = 2,196.08
  5. Step 5: Solve for x
    x = 2,196.08/45.46
  6. Step 6: Final answer
    x = 48.31

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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.