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Finding the Fourth Proportional to 46,061.85, 69,092.00 and 20,747.28

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Solution

The fourth proportional to 46,061.85, 69,092.00 and 20,747.28 is: 31,120.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,061.85 : 69,092.00 = 20,747.28 : x
  2. Step 2: Convert to fraction form
    46,061.85/69,092.00 = 20,747.28/x
  3. Step 3: Cross multiply
    46,061.85x = 69,092.00 × 20,747.28
  4. Step 4: Simplify right side
    46,061.85x = 1,433,471,017.89
  5. Step 5: Solve for x
    x = 1,433,471,017.89/46,061.85
  6. Step 6: Final answer
    x = 31,120.57

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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.