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Finding the Fourth Proportional to 5,339.59, 8,003.81 and 1,828.56

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Solution

The fourth proportional to 5,339.59, 8,003.81 and 1,828.56 is: 2,740.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.59 : 8,003.81 = 1,828.56 : x
  2. Step 2: Convert to fraction form
    5,339.59/8,003.81 = 1,828.56/x
  3. Step 3: Cross multiply
    5,339.59x = 8,003.81 × 1,828.56
  4. Step 4: Simplify right side
    5,339.59x = 14,635,446.81
  5. Step 5: Solve for x
    x = 14,635,446.81/5,339.59
  6. Step 6: Final answer
    x = 2,740.93

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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.