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Finding the Fourth Proportional to 29,995.60, 44,978.31 and 9,998.02

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Solution

The fourth proportional to 29,995.60, 44,978.31 and 9,998.02 is: 14,992.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,995.60 : 44,978.31 = 9,998.02 : x
  2. Step 2: Convert to fraction form
    29,995.60/44,978.31 = 9,998.02/x
  3. Step 3: Cross multiply
    29,995.60x = 44,978.31 × 9,998.02
  4. Step 4: Simplify right side
    29,995.60x = 449,694,042.95
  5. Step 5: Solve for x
    x = 449,694,042.95/29,995.60
  6. Step 6: Final answer
    x = 14,992.00

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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.