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Finding the Fourth Proportional to 66,584.70, 91,886.27 and 36,370.01

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Solution

The fourth proportional to 66,584.70, 91,886.27 and 36,370.01 is: 50,190.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,584.70 : 91,886.27 = 36,370.01 : x
  2. Step 2: Convert to fraction form
    66,584.70/91,886.27 = 36,370.01/x
  3. Step 3: Cross multiply
    66,584.70x = 91,886.27 × 36,370.01
  4. Step 4: Simplify right side
    66,584.70x = 3,341,904,376.91
  5. Step 5: Solve for x
    x = 3,341,904,376.91/66,584.70
  6. Step 6: Final answer
    x = 50,190.27

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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.