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Finding the Fourth Proportional to 30,473.01, 45,578.30 and 27,119.61

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Solution

The fourth proportional to 30,473.01, 45,578.30 and 27,119.61 is: 40,562.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,473.01 : 45,578.30 = 27,119.61 : x
  2. Step 2: Convert to fraction form
    30,473.01/45,578.30 = 27,119.61/x
  3. Step 3: Cross multiply
    30,473.01x = 45,578.30 × 27,119.61
  4. Step 4: Simplify right side
    30,473.01x = 1,236,065,584.86
  5. Step 5: Solve for x
    x = 1,236,065,584.86/30,473.01
  6. Step 6: Final answer
    x = 40,562.64

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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.