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Finding the Fourth Proportional to 64,837.97, 89,550.21 and 43,580.33

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Solution

The fourth proportional to 64,837.97, 89,550.21 and 43,580.33 is: 60,190.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,837.97 : 89,550.21 = 43,580.33 : x
  2. Step 2: Convert to fraction form
    64,837.97/89,550.21 = 43,580.33/x
  3. Step 3: Cross multiply
    64,837.97x = 89,550.21 × 43,580.33
  4. Step 4: Simplify right side
    64,837.97x = 3,902,627,509.72
  5. Step 5: Solve for x
    x = 3,902,627,509.72/64,837.97
  6. Step 6: Final answer
    x = 60,190.47

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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.