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Finding the Fourth Proportional to 5,008.43, 7,504.38 and 1,719.74

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Solution

The fourth proportional to 5,008.43, 7,504.38 and 1,719.74 is: 2,576.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.43 : 7,504.38 = 1,719.74 : x
  2. Step 2: Convert to fraction form
    5,008.43/7,504.38 = 1,719.74/x
  3. Step 3: Cross multiply
    5,008.43x = 7,504.38 × 1,719.74
  4. Step 4: Simplify right side
    5,008.43x = 12,905,544.94
  5. Step 5: Solve for x
    x = 12,905,544.94/5,008.43
  6. Step 6: Final answer
    x = 2,576.77

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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.