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Finding the Fourth Proportional to 54,042.60, 74,580.03 and 33,900.33

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Solution

The fourth proportional to 54,042.60, 74,580.03 and 33,900.33 is: 46,783.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,042.60 : 74,580.03 = 33,900.33 : x
  2. Step 2: Convert to fraction form
    54,042.60/74,580.03 = 33,900.33/x
  3. Step 3: Cross multiply
    54,042.60x = 74,580.03 × 33,900.33
  4. Step 4: Simplify right side
    54,042.60x = 2,528,287,628.41
  5. Step 5: Solve for x
    x = 2,528,287,628.41/54,042.60
  6. Step 6: Final answer
    x = 46,783.23

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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.