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Finding the Fourth Proportional to 67,305.28, 100,969.08 and 25,200.24

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Solution

The fourth proportional to 67,305.28, 100,969.08 and 25,200.24 is: 37,804.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,305.28 : 100,969.08 = 25,200.24 : x
  2. Step 2: Convert to fraction form
    67,305.28/100,969.08 = 25,200.24/x
  3. Step 3: Cross multiply
    67,305.28x = 100,969.08 × 25,200.24
  4. Step 4: Simplify right side
    67,305.28x = 2,544,445,048.58
  5. Step 5: Solve for x
    x = 2,544,445,048.58/67,305.28
  6. Step 6: Final answer
    x = 37,804.54

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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.