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Finding the Fourth Proportional to 7,937.03, 11,906.34 and 2,940.74

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Solution

The fourth proportional to 7,937.03, 11,906.34 and 2,940.74 is: 4,411.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,937.03 : 11,906.34 = 2,940.74 : x
  2. Step 2: Convert to fraction form
    7,937.03/11,906.34 = 2,940.74/x
  3. Step 3: Cross multiply
    7,937.03x = 11,906.34 × 2,940.74
  4. Step 4: Simplify right side
    7,937.03x = 35,013,450.29
  5. Step 5: Solve for x
    x = 35,013,450.29/7,937.03
  6. Step 6: Final answer
    x = 4,411.40

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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.