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Finding the Fourth Proportional to 45,902.80, 68,796.80 and 19,576.80

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Solution

The fourth proportional to 45,902.80, 68,796.80 and 19,576.80 is: 29,340.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,902.80 : 68,796.80 = 19,576.80 : x
  2. Step 2: Convert to fraction form
    45,902.80/68,796.80 = 19,576.80/x
  3. Step 3: Cross multiply
    45,902.80x = 68,796.80 × 19,576.80
  4. Step 4: Simplify right side
    45,902.80x = 1,346,821,194.24
  5. Step 5: Solve for x
    x = 1,346,821,194.24/45,902.80
  6. Step 6: Final answer
    x = 29,340.72

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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.