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Finding the Fourth Proportional to 7,874.07, 11,811.09 and 2,030.67

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Solution

The fourth proportional to 7,874.07, 11,811.09 and 2,030.67 is: 3,046.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,874.07 : 11,811.09 = 2,030.67 : x
  2. Step 2: Convert to fraction form
    7,874.07/11,811.09 = 2,030.67/x
  3. Step 3: Cross multiply
    7,874.07x = 11,811.09 × 2,030.67
  4. Step 4: Simplify right side
    7,874.07x = 23,984,426.13
  5. Step 5: Solve for x
    x = 23,984,426.13/7,874.07
  6. Step 6: Final answer
    x = 3,046.00

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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.