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Finding the Fourth Proportional to 53,662.75, 74,054.88 and 33,531.31

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Solution

The fourth proportional to 53,662.75, 74,054.88 and 33,531.31 is: 46,273.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,662.75 : 74,054.88 = 33,531.31 : x
  2. Step 2: Convert to fraction form
    53,662.75/74,054.88 = 33,531.31/x
  3. Step 3: Cross multiply
    53,662.75x = 74,054.88 × 33,531.31
  4. Step 4: Simplify right side
    53,662.75x = 2,483,157,105.12
  5. Step 5: Solve for x
    x = 2,483,157,105.12/53,662.75
  6. Step 6: Final answer
    x = 46,273.39

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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.