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Finding the Fourth Proportional to 74,794.93, 112,163.24 and 28,022.29

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Solution

The fourth proportional to 74,794.93, 112,163.24 and 28,022.29 is: 42,022.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,794.93 : 112,163.24 = 28,022.29 : x
  2. Step 2: Convert to fraction form
    74,794.93/112,163.24 = 28,022.29/x
  3. Step 3: Cross multiply
    74,794.93x = 112,163.24 × 28,022.29
  4. Step 4: Simplify right side
    74,794.93x = 3,143,070,698.51
  5. Step 5: Solve for x
    x = 3,143,070,698.51/74,794.93
  6. Step 6: Final answer
    x = 42,022.51

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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.