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Finding the Fourth Proportional to 7,908.54, 11,852.88 and 6,919.02

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Solution

The fourth proportional to 7,908.54, 11,852.88 and 6,919.02 is: 10,369.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.54 : 11,852.88 = 6,919.02 : x
  2. Step 2: Convert to fraction form
    7,908.54/11,852.88 = 6,919.02/x
  3. Step 3: Cross multiply
    7,908.54x = 11,852.88 × 6,919.02
  4. Step 4: Simplify right side
    7,908.54x = 82,010,313.78
  5. Step 5: Solve for x
    x = 82,010,313.78/7,908.54
  6. Step 6: Final answer
    x = 10,369.84

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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.