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Finding the Fourth Proportional to 68,628, 94,641.84 and 44,772.96

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Solution

The fourth proportional to 68,628, 94,641.84 and 44,772.96 is: 61,744.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,628 : 94,641.84 = 44,772.96 : x
  2. Step 2: Convert to fraction form
    68,628/94,641.84 = 44,772.96/x
  3. Step 3: Cross multiply
    68,628x = 94,641.84 × 44,772.96
  4. Step 4: Simplify right side
    68,628x = 4,237,395,316.65
  5. Step 5: Solve for x
    x = 4,237,395,316.65/68,628
  6. Step 6: Final answer
    x = 61,744.41

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Why These Related Problems?

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