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Finding the Fourth Proportional to 73,062.62, 100,825.42 and 40,797.74

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Solution

The fourth proportional to 73,062.62, 100,825.42 and 40,797.74 is: 56,300.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,062.62 : 100,825.42 = 40,797.74 : x
  2. Step 2: Convert to fraction form
    73,062.62/100,825.42 = 40,797.74/x
  3. Step 3: Cross multiply
    73,062.62x = 100,825.42 × 40,797.74
  4. Step 4: Simplify right side
    73,062.62x = 4,113,448,766.42
  5. Step 5: Solve for x
    x = 4,113,448,766.42/73,062.62
  6. Step 6: Final answer
    x = 56,300.32

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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.