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Finding the Fourth Proportional to 13,252.88, 19,879.37 and 4,018.88

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Solution

The fourth proportional to 13,252.88, 19,879.37 and 4,018.88 is: 6,028.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.88 : 19,879.37 = 4,018.88 : x
  2. Step 2: Convert to fraction form
    13,252.88/19,879.37 = 4,018.88/x
  3. Step 3: Cross multiply
    13,252.88x = 19,879.37 × 4,018.88
  4. Step 4: Simplify right side
    13,252.88x = 79,892,683.01
  5. Step 5: Solve for x
    x = 79,892,683.01/13,252.88
  6. Step 6: Final answer
    x = 6,028.33

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1.5x scale

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.