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Finding the Fourth Proportional to 54,203.51, 74,789.63 and 37,201.51

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Solution

The fourth proportional to 54,203.51, 74,789.63 and 37,201.51 is: 51,330.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,203.51 : 74,789.63 = 37,201.51 : x
  2. Step 2: Convert to fraction form
    54,203.51/74,789.63 = 37,201.51/x
  3. Step 3: Cross multiply
    54,203.51x = 74,789.63 × 37,201.51
  4. Step 4: Simplify right side
    54,203.51x = 2,782,287,215.33
  5. Step 5: Solve for x
    x = 2,782,287,215.33/54,203.51
  6. Step 6: Final answer
    x = 51,330.39

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1.5x scale

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.