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Finding the Fourth Proportional to 61,980.39, 92,969.78 and 15,233.67

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Solution

The fourth proportional to 61,980.39, 92,969.78 and 15,233.67 is: 22,850.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,980.39 : 92,969.78 = 15,233.67 : x
  2. Step 2: Convert to fraction form
    61,980.39/92,969.78 = 15,233.67/x
  3. Step 3: Cross multiply
    61,980.39x = 92,969.78 × 15,233.67
  4. Step 4: Simplify right side
    61,980.39x = 1,416,270,872.32
  5. Step 5: Solve for x
    x = 1,416,270,872.32/61,980.39
  6. Step 6: Final answer
    x = 22,850.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.