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Finding the Fourth Proportional to 29,993.60, 44,975.31 and 9,996.02

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Solution

The fourth proportional to 29,993.60, 44,975.31 and 9,996.02 is: 14,989.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,993.60 : 44,975.31 = 9,996.02 : x
  2. Step 2: Convert to fraction form
    29,993.60/44,975.31 = 9,996.02/x
  3. Step 3: Cross multiply
    29,993.60x = 44,975.31 × 9,996.02
  4. Step 4: Simplify right side
    29,993.60x = 449,574,098.27
  5. Step 5: Solve for x
    x = 449,574,098.27/29,993.60
  6. Step 6: Final answer
    x = 14,989.00

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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.