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Finding the Fourth Proportional to 76,795.80, 115,114.71 and 29,399.73

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Solution

The fourth proportional to 76,795.80, 115,114.71 and 29,399.73 is: 44,069.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,795.80 : 115,114.71 = 29,399.73 : x
  2. Step 2: Convert to fraction form
    76,795.80/115,114.71 = 29,399.73/x
  3. Step 3: Cross multiply
    76,795.80x = 115,114.71 × 29,399.73
  4. Step 4: Simplify right side
    76,795.80x = 3,384,341,393.03
  5. Step 5: Solve for x
    x = 3,384,341,393.03/76,795.80
  6. Step 6: Final answer
    x = 44,069.36

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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.