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Finding the Fourth Proportional to 45.23, 62.44 and 34.86

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Solution

The fourth proportional to 45.23, 62.44 and 34.86 is: 48.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.23 : 62.44 = 34.86 : x
  2. Step 2: Convert to fraction form
    45.23/62.44 = 34.86/x
  3. Step 3: Cross multiply
    45.23x = 62.44 × 34.86
  4. Step 4: Simplify right side
    45.23x = 2,176.81
  5. Step 5: Solve for x
    x = 2,176.81/45.23
  6. Step 6: Final answer
    x = 48.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.