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Finding the Fourth Proportional to 6,893.73, 10,339.18 and 1,962.05

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Solution

The fourth proportional to 6,893.73, 10,339.18 and 1,962.05 is: 2,942.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,893.73 : 10,339.18 = 1,962.05 : x
  2. Step 2: Convert to fraction form
    6,893.73/10,339.18 = 1,962.05/x
  3. Step 3: Cross multiply
    6,893.73x = 10,339.18 × 1,962.05
  4. Step 4: Simplify right side
    6,893.73x = 20,285,931.52
  5. Step 5: Solve for x
    x = 20,285,931.52/6,893.73
  6. Step 6: Final answer
    x = 2,942.66

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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.