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Finding the Fourth Proportional to 66,914.51, 92,343.24 and 36,698.00

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Solution

The fourth proportional to 66,914.51, 92,343.24 and 36,698.00 is: 50,643.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,914.51 : 92,343.24 = 36,698.00 : x
  2. Step 2: Convert to fraction form
    66,914.51/92,343.24 = 36,698.00/x
  3. Step 3: Cross multiply
    66,914.51x = 92,343.24 × 36,698.00
  4. Step 4: Simplify right side
    66,914.51x = 3,388,811,759.80
  5. Step 5: Solve for x
    x = 3,388,811,759.80/66,914.51
  6. Step 6: Final answer
    x = 50,643.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.