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Finding the Fourth Proportional to 54,980.94, 75,873.89 and 29,830.62

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Solution

The fourth proportional to 54,980.94, 75,873.89 and 29,830.62 is: 41,166.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,980.94 : 75,873.89 = 29,830.62 : x
  2. Step 2: Convert to fraction form
    54,980.94/75,873.89 = 29,830.62/x
  3. Step 3: Cross multiply
    54,980.94x = 75,873.89 × 29,830.62
  4. Step 4: Simplify right side
    54,980.94x = 2,263,365,180.51
  5. Step 5: Solve for x
    x = 2,263,365,180.51/54,980.94
  6. Step 6: Final answer
    x = 41,166.36

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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.