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Finding the Fourth Proportional to 66,494.94, 91,767.15 and 37,816.26

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Solution

The fourth proportional to 66,494.94, 91,767.15 and 37,816.26 is: 52,188.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,494.94 : 91,767.15 = 37,816.26 : x
  2. Step 2: Convert to fraction form
    66,494.94/91,767.15 = 37,816.26/x
  3. Step 3: Cross multiply
    66,494.94x = 91,767.15 × 37,816.26
  4. Step 4: Simplify right side
    66,494.94x = 3,470,290,403.86
  5. Step 5: Solve for x
    x = 3,470,290,403.86/66,494.94
  6. Step 6: Final answer
    x = 52,188.79

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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.