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Finding the Fourth Proportional to 66,482.62, 91,745.88 and 36,267.93

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Solution

The fourth proportional to 66,482.62, 91,745.88 and 36,267.93 is: 50,049.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,482.62 : 91,745.88 = 36,267.93 : x
  2. Step 2: Convert to fraction form
    66,482.62/91,745.88 = 36,267.93/x
  3. Step 3: Cross multiply
    66,482.62x = 91,745.88 × 36,267.93
  4. Step 4: Simplify right side
    66,482.62x = 3,327,433,461.66
  5. Step 5: Solve for x
    x = 3,327,433,461.66/66,482.62
  6. Step 6: Final answer
    x = 50,049.67

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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.