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Finding the Fourth Proportional to 46,355.03, 68,936.17 and 44,878.79

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Solution

The fourth proportional to 46,355.03, 68,936.17 and 44,878.79 is: 66,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,355.03 : 68,936.17 = 44,878.79 : x
  2. Step 2: Convert to fraction form
    46,355.03/68,936.17 = 44,878.79/x
  3. Step 3: Cross multiply
    46,355.03x = 68,936.17 × 44,878.79
  4. Step 4: Simplify right side
    46,355.03x = 3,093,771,896.83
  5. Step 5: Solve for x
    x = 3,093,771,896.83/46,355.03
  6. Step 6: Final answer
    x = 66,740.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.