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Finding the Fourth Proportional to 46,620.80, 69,794.04 and 30,796.64

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Solution

The fourth proportional to 46,620.80, 69,794.04 and 30,796.64 is: 46,104.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,620.80 : 69,794.04 = 30,796.64 : x
  2. Step 2: Convert to fraction form
    46,620.80/69,794.04 = 30,796.64/x
  3. Step 3: Cross multiply
    46,620.80x = 69,794.04 × 30,796.64
  4. Step 4: Simplify right side
    46,620.80x = 2,149,421,924.03
  5. Step 5: Solve for x
    x = 2,149,421,924.03/46,620.80
  6. Step 6: Final answer
    x = 46,104.36

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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.