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Finding the Fourth Proportional to 74,397.44, 111,574.44 and 21,794.48

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Solution

The fourth proportional to 74,397.44, 111,574.44 and 21,794.48 is: 32,685.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,397.44 : 111,574.44 = 21,794.48 : x
  2. Step 2: Convert to fraction form
    74,397.44/111,574.44 = 21,794.48/x
  3. Step 3: Cross multiply
    74,397.44x = 111,574.44 × 21,794.48
  4. Step 4: Simplify right side
    74,397.44x = 2,431,706,901.09
  5. Step 5: Solve for x
    x = 2,431,706,901.09/74,397.44
  6. Step 6: Final answer
    x = 32,685.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.