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Finding the Fourth Proportional to 72,843.04, 109,273.02 and 25,443.46

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Solution

The fourth proportional to 72,843.04, 109,273.02 and 25,443.46 is: 38,168.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,843.04 : 109,273.02 = 25,443.46 : x
  2. Step 2: Convert to fraction form
    72,843.04/109,273.02 = 25,443.46/x
  3. Step 3: Cross multiply
    72,843.04x = 109,273.02 × 25,443.46
  4. Step 4: Simplify right side
    72,843.04x = 2,780,283,713.45
  5. Step 5: Solve for x
    x = 2,780,283,713.45/72,843.04
  6. Step 6: Final answer
    x = 38,168.15

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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.