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Finding the Fourth Proportional to 13,266.88, 19,900.44 and 4,032.88

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Solution

The fourth proportional to 13,266.88, 19,900.44 and 4,032.88 is: 6,049.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.88 : 19,900.44 = 4,032.88 : x
  2. Step 2: Convert to fraction form
    13,266.88/19,900.44 = 4,032.88/x
  3. Step 3: Cross multiply
    13,266.88x = 19,900.44 × 4,032.88
  4. Step 4: Simplify right side
    13,266.88x = 80,256,086.47
  5. Step 5: Solve for x
    x = 80,256,086.47/13,266.88
  6. Step 6: Final answer
    x = 6,049.36

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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.