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Finding the Fourth Proportional to 68,622.96, 94,624.48 and 44,705.28

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Solution

The fourth proportional to 68,622.96, 94,624.48 and 44,705.28 is: 61,644.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,622.96 : 94,624.48 = 44,705.28 : x
  2. Step 2: Convert to fraction form
    68,622.96/94,624.48 = 44,705.28/x
  3. Step 3: Cross multiply
    68,622.96x = 94,624.48 × 44,705.28
  4. Step 4: Simplify right side
    68,622.96x = 4,230,213,873.25
  5. Step 5: Solve for x
    x = 4,230,213,873.25/68,622.96
  6. Step 6: Final answer
    x = 61,644.29

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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.