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Finding the Fourth Proportional to 5,878.74, 8,813.34 and 4,025.28

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Solution

The fourth proportional to 5,878.74, 8,813.34 and 4,025.28 is: 6,034.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.74 : 8,813.34 = 4,025.28 : x
  2. Step 2: Convert to fraction form
    5,878.74/8,813.34 = 4,025.28/x
  3. Step 3: Cross multiply
    5,878.74x = 8,813.34 × 4,025.28
  4. Step 4: Simplify right side
    5,878.74x = 35,476,161.24
  5. Step 5: Solve for x
    x = 35,476,161.24/5,878.74
  6. Step 6: Final answer
    x = 6,034.65

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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.