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Finding the Fourth Proportional to 7,893.08, 10,893.22 and 5,900.18

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Solution

The fourth proportional to 7,893.08, 10,893.22 and 5,900.18 is: 8,142.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893.08 : 10,893.22 = 5,900.18 : x
  2. Step 2: Convert to fraction form
    7,893.08/10,893.22 = 5,900.18/x
  3. Step 3: Cross multiply
    7,893.08x = 10,893.22 × 5,900.18
  4. Step 4: Simplify right side
    7,893.08x = 64,271,958.78
  5. Step 5: Solve for x
    x = 64,271,958.78/7,893.08
  6. Step 6: Final answer
    x = 8,142.82

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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.