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Finding the Fourth Proportional to 7,967.19, 11,951.19 and 3,035.91

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Solution

The fourth proportional to 7,967.19, 11,951.19 and 3,035.91 is: 4,554.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.19 : 11,951.19 = 3,035.91 : x
  2. Step 2: Convert to fraction form
    7,967.19/11,951.19 = 3,035.91/x
  3. Step 3: Cross multiply
    7,967.19x = 11,951.19 × 3,035.91
  4. Step 4: Simplify right side
    7,967.19x = 36,282,737.23
  5. Step 5: Solve for x
    x = 36,282,737.23/7,967.19
  6. Step 6: Final answer
    x = 4,554.02

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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.