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Finding the Fourth Proportional to 62,377.72, 86,051.28 and 45,355.60

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Solution

The fourth proportional to 62,377.72, 86,051.28 and 45,355.60 is: 62,568.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,377.72 : 86,051.28 = 45,355.60 : x
  2. Step 2: Convert to fraction form
    62,377.72/86,051.28 = 45,355.60/x
  3. Step 3: Cross multiply
    62,377.72x = 86,051.28 × 45,355.60
  4. Step 4: Simplify right side
    62,377.72x = 3,902,907,435.17
  5. Step 5: Solve for x
    x = 3,902,907,435.17/62,377.72
  6. Step 6: Final answer
    x = 62,568.93

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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.