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Finding the Fourth Proportional to 12,801.88, 19,200.39 and 4,034.44

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Solution

The fourth proportional to 12,801.88, 19,200.39 and 4,034.44 is: 6,050.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801.88 : 19,200.39 = 4,034.44 : x
  2. Step 2: Convert to fraction form
    12,801.88/19,200.39 = 4,034.44/x
  3. Step 3: Cross multiply
    12,801.88x = 19,200.39 × 4,034.44
  4. Step 4: Simplify right side
    12,801.88x = 77,462,821.43
  5. Step 5: Solve for x
    x = 77,462,821.43/12,801.88
  6. Step 6: Final answer
    x = 6,050.89

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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.