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Finding the Fourth Proportional to 45,745.66, 68,493.65 and 34,618.62

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Solution

The fourth proportional to 45,745.66, 68,493.65 and 34,618.62 is: 51,833.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,745.66 : 68,493.65 = 34,618.62 : x
  2. Step 2: Convert to fraction form
    45,745.66/68,493.65 = 34,618.62/x
  3. Step 3: Cross multiply
    45,745.66x = 68,493.65 × 34,618.62
  4. Step 4: Simplify right side
    45,745.66x = 2,371,155,342.34
  5. Step 5: Solve for x
    x = 2,371,155,342.34/45,745.66
  6. Step 6: Final answer
    x = 51,833.45

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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.