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Finding the Fourth Proportional to 12,675.63, 19,013.44 and 3,441.63

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Solution

The fourth proportional to 12,675.63, 19,013.44 and 3,441.63 is: 5,162.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675.63 : 19,013.44 = 3,441.63 : x
  2. Step 2: Convert to fraction form
    12,675.63/19,013.44 = 3,441.63/x
  3. Step 3: Cross multiply
    12,675.63x = 19,013.44 × 3,441.63
  4. Step 4: Simplify right side
    12,675.63x = 65,437,130.44
  5. Step 5: Solve for x
    x = 65,437,130.44/12,675.63
  6. Step 6: Final answer
    x = 5,162.44

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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.