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Finding the Fourth Proportional to 14,339.52, 19,788.48 and 8,371.44

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Solution

The fourth proportional to 14,339.52, 19,788.48 and 8,371.44 is: 11,552.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339.52 : 19,788.48 = 8,371.44 : x
  2. Step 2: Convert to fraction form
    14,339.52/19,788.48 = 8,371.44/x
  3. Step 3: Cross multiply
    14,339.52x = 19,788.48 × 8,371.44
  4. Step 4: Simplify right side
    14,339.52x = 165,658,073.01
  5. Step 5: Solve for x
    x = 165,658,073.01/14,339.52
  6. Step 6: Final answer
    x = 11,552.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.