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Finding the Fourth Proportional to 66,069.45, 98,935.02 and 36,454.41

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Solution

The fourth proportional to 66,069.45, 98,935.02 and 36,454.41 is: 54,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,069.45 : 98,935.02 = 36,454.41 : x
  2. Step 2: Convert to fraction form
    66,069.45/98,935.02 = 36,454.41/x
  3. Step 3: Cross multiply
    66,069.45x = 98,935.02 × 36,454.41
  4. Step 4: Simplify right side
    66,069.45x = 3,606,617,782.44
  5. Step 5: Solve for x
    x = 3,606,617,782.44/66,069.45
  6. Step 6: Final answer
    x = 54,588.28

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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.