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Finding the Fourth Proportional to 66,950.93, 92,389.19 and 36,735.50

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Solution

The fourth proportional to 66,950.93, 92,389.19 and 36,735.50 is: 50,693.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,950.93 : 92,389.19 = 36,735.50 : x
  2. Step 2: Convert to fraction form
    66,950.93/92,389.19 = 36,735.50/x
  3. Step 3: Cross multiply
    66,950.93x = 92,389.19 × 36,735.50
  4. Step 4: Simplify right side
    66,950.93x = 3,393,962,443.62
  5. Step 5: Solve for x
    x = 3,393,962,443.62/66,950.93
  6. Step 6: Final answer
    x = 50,693.29

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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.