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Finding the Fourth Proportional to 48,308.88, 72,453.48 and 13,245.84

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Solution

The fourth proportional to 48,308.88, 72,453.48 and 13,245.84 is: 19,866.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,308.88 : 72,453.48 = 13,245.84 : x
  2. Step 2: Convert to fraction form
    48,308.88/72,453.48 = 13,245.84/x
  3. Step 3: Cross multiply
    48,308.88x = 72,453.48 × 13,245.84
  4. Step 4: Simplify right side
    48,308.88x = 959,707,203.52
  5. Step 5: Solve for x
    x = 959,707,203.52/48,308.88
  6. Step 6: Final answer
    x = 19,866.06

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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.