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Finding the Fourth Proportional to 39,089.56, 53,942.34 and 22,322.56

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Solution

The fourth proportional to 39,089.56, 53,942.34 and 22,322.56 is: 30,804.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,089.56 : 53,942.34 = 22,322.56 : x
  2. Step 2: Convert to fraction form
    39,089.56/53,942.34 = 22,322.56/x
  3. Step 3: Cross multiply
    39,089.56x = 53,942.34 × 22,322.56
  4. Step 4: Simplify right side
    39,089.56x = 1,204,131,121.19
  5. Step 5: Solve for x
    x = 1,204,131,121.19/39,089.56
  6. Step 6: Final answer
    x = 30,804.42

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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.