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Finding the Fourth Proportional to 73,674.30, 110,511.45 and 18,270.30

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Solution

The fourth proportional to 73,674.30, 110,511.45 and 18,270.30 is: 27,405.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,674.30 : 110,511.45 = 18,270.30 : x
  2. Step 2: Convert to fraction form
    73,674.30/110,511.45 = 18,270.30/x
  3. Step 3: Cross multiply
    73,674.30x = 110,511.45 × 18,270.30
  4. Step 4: Simplify right side
    73,674.30x = 2,019,077,344.94
  5. Step 5: Solve for x
    x = 2,019,077,344.94/73,674.30
  6. Step 6: Final answer
    x = 27,405.45

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Similar ratio
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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.