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Finding the Fourth Proportional to 66,867.04, 92,272.26 and 36,647.02

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Solution

The fourth proportional to 66,867.04, 92,272.26 and 36,647.02 is: 50,570.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,867.04 : 92,272.26 = 36,647.02 : x
  2. Step 2: Convert to fraction form
    66,867.04/92,272.26 = 36,647.02/x
  3. Step 3: Cross multiply
    66,867.04x = 92,272.26 × 36,647.02
  4. Step 4: Simplify right side
    66,867.04x = 3,381,503,357.67
  5. Step 5: Solve for x
    x = 3,381,503,357.67/66,867.04
  6. Step 6: Final answer
    x = 50,570.56

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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.