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Finding the Fourth Proportional to 49,420.79, 68,200.79 and 26,760.05

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Solution

The fourth proportional to 49,420.79, 68,200.79 and 26,760.05 is: 36,928.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,420.79 : 68,200.79 = 26,760.05 : x
  2. Step 2: Convert to fraction form
    49,420.79/68,200.79 = 26,760.05/x
  3. Step 3: Cross multiply
    49,420.79x = 68,200.79 × 26,760.05
  4. Step 4: Simplify right side
    49,420.79x = 1,825,056,550.44
  5. Step 5: Solve for x
    x = 1,825,056,550.44/49,420.79
  6. Step 6: Final answer
    x = 36,928.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.