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Finding the Fourth Proportional to 66,304.50, 91,500.22 and 36,496.50

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Solution

The fourth proportional to 66,304.50, 91,500.22 and 36,496.50 is: 50,365.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,304.50 : 91,500.22 = 36,496.50 : x
  2. Step 2: Convert to fraction form
    66,304.50/91,500.22 = 36,496.50/x
  3. Step 3: Cross multiply
    66,304.50x = 91,500.22 × 36,496.50
  4. Step 4: Simplify right side
    66,304.50x = 3,339,437,779.23
  5. Step 5: Solve for x
    x = 3,339,437,779.23/66,304.50
  6. Step 6: Final answer
    x = 50,365.18

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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.