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Finding the Fourth Proportional to 29,319.98, 43,969.03 and 11,783.88

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Solution

The fourth proportional to 29,319.98, 43,969.03 and 11,783.88 is: 17,671.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,319.98 : 43,969.03 = 11,783.88 : x
  2. Step 2: Convert to fraction form
    29,319.98/43,969.03 = 11,783.88/x
  3. Step 3: Cross multiply
    29,319.98x = 43,969.03 × 11,783.88
  4. Step 4: Simplify right side
    29,319.98x = 518,125,743.78
  5. Step 5: Solve for x
    x = 518,125,743.78/29,319.98
  6. Step 6: Final answer
    x = 17,671.43

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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.