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Finding the Fourth Proportional to 36,840.67, 50,840.13 and 20,073.67

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Solution

The fourth proportional to 36,840.67, 50,840.13 and 20,073.67 is: 27,701.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,840.67 : 50,840.13 = 20,073.67 : x
  2. Step 2: Convert to fraction form
    36,840.67/50,840.13 = 20,073.67/x
  3. Step 3: Cross multiply
    36,840.67x = 50,840.13 × 20,073.67
  4. Step 4: Simplify right side
    36,840.67x = 1,020,547,992.38
  5. Step 5: Solve for x
    x = 1,020,547,992.38/36,840.67
  6. Step 6: Final answer
    x = 27,701.67

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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.