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Finding the Fourth Proportional to 7,674.18, 11,501.19 and 3,051.78

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Solution

The fourth proportional to 7,674.18, 11,501.19 and 3,051.78 is: 4,573.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.18 : 11,501.19 = 3,051.78 : x
  2. Step 2: Convert to fraction form
    7,674.18/11,501.19 = 3,051.78/x
  3. Step 3: Cross multiply
    7,674.18x = 11,501.19 × 3,051.78
  4. Step 4: Simplify right side
    7,674.18x = 35,099,101.62
  5. Step 5: Solve for x
    x = 35,099,101.62/7,674.18
  6. Step 6: Final answer
    x = 4,573.66

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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.