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Finding the Fourth Proportional to 45,617, 68,790.29 and 44,993.24

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Solution

The fourth proportional to 45,617, 68,790.29 and 44,993.24 is: 67,849.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,617 : 68,790.29 = 44,993.24 : x
  2. Step 2: Convert to fraction form
    45,617/68,790.29 = 44,993.24/x
  3. Step 3: Cross multiply
    45,617x = 68,790.29 × 44,993.24
  4. Step 4: Simplify right side
    45,617x = 3,095,098,027.64
  5. Step 5: Solve for x
    x = 3,095,098,027.64/45,617
  6. Step 6: Final answer
    x = 67,849.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.