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Finding the Fourth Proportional to 72,273.70, 108,410.55 and 32,907.70

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Solution

The fourth proportional to 72,273.70, 108,410.55 and 32,907.70 is: 49,361.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,273.70 : 108,410.55 = 32,907.70 : x
  2. Step 2: Convert to fraction form
    72,273.70/108,410.55 = 32,907.70/x
  3. Step 3: Cross multiply
    72,273.70x = 108,410.55 × 32,907.70
  4. Step 4: Simplify right side
    72,273.70x = 3,567,541,856.24
  5. Step 5: Solve for x
    x = 3,567,541,856.24/72,273.70
  6. Step 6: Final answer
    x = 49,361.55

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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.