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Finding the Fourth Proportional to 62,561.97, 86,334.66 and 35,720.19

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Solution

The fourth proportional to 62,561.97, 86,334.66 and 35,720.19 is: 49,293.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,561.97 : 86,334.66 = 35,720.19 : x
  2. Step 2: Convert to fraction form
    62,561.97/86,334.66 = 35,720.19/x
  3. Step 3: Cross multiply
    62,561.97x = 86,334.66 × 35,720.19
  4. Step 4: Simplify right side
    62,561.97x = 3,083,890,458.79
  5. Step 5: Solve for x
    x = 3,083,890,458.79/62,561.97
  6. Step 6: Final answer
    x = 49,293.37

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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.