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Finding the Fourth Proportional to 45.84, 68.88 and 41.07

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Solution

The fourth proportional to 45.84, 68.88 and 41.07 is: 61.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.84 : 68.88 = 41.07 : x
  2. Step 2: Convert to fraction form
    45.84/68.88 = 41.07/x
  3. Step 3: Cross multiply
    45.84x = 68.88 × 41.07
  4. Step 4: Simplify right side
    45.84x = 2,828.90
  5. Step 5: Solve for x
    x = 2,828.90/45.84
  6. Step 6: Final answer
    x = 61.71

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Why These Related Problems?

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