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Finding the Fourth Proportional to 5,960.32, 8,940.16 and 1,856

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Solution

The fourth proportional to 5,960.32, 8,940.16 and 1,856 is: 2,783.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,960.32 : 8,940.16 = 1,856 : x
  2. Step 2: Convert to fraction form
    5,960.32/8,940.16 = 1,856/x
  3. Step 3: Cross multiply
    5,960.32x = 8,940.16 × 1,856
  4. Step 4: Simplify right side
    5,960.32x = 16,592,936.96
  5. Step 5: Solve for x
    x = 16,592,936.96/5,960.32
  6. Step 6: Final answer
    x = 2,783.90

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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.