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Finding the Fourth Proportional to 43,991.44, 66,014.16 and 36,686.32

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Solution

The fourth proportional to 43,991.44, 66,014.16 and 36,686.32 is: 55,052.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,991.44 : 66,014.16 = 36,686.32 : x
  2. Step 2: Convert to fraction form
    43,991.44/66,014.16 = 36,686.32/x
  3. Step 3: Cross multiply
    43,991.44x = 66,014.16 × 36,686.32
  4. Step 4: Simplify right side
    43,991.44x = 2,421,816,598.29
  5. Step 5: Solve for x
    x = 2,421,816,598.29/43,991.44
  6. Step 6: Final answer
    x = 55,052.00

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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.