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Finding the Fourth Proportional to 45,620, 68,794.81 and 44,996.24

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Solution

The fourth proportional to 45,620, 68,794.81 and 44,996.24 is: 67,854.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,620 : 68,794.81 = 44,996.24 : x
  2. Step 2: Convert to fraction form
    45,620/68,794.81 = 44,996.24/x
  3. Step 3: Cross multiply
    45,620x = 68,794.81 × 44,996.24
  4. Step 4: Simplify right side
    45,620x = 3,095,507,781.51
  5. Step 5: Solve for x
    x = 3,095,507,781.51/45,620
  6. Step 6: Final answer
    x = 67,854.18

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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.