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Finding the Fourth Proportional to 7,274.51, 10,902.51 and 3,763.85

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Solution

The fourth proportional to 7,274.51, 10,902.51 and 3,763.85 is: 5,640.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.51 : 10,902.51 = 3,763.85 : x
  2. Step 2: Convert to fraction form
    7,274.51/10,902.51 = 3,763.85/x
  3. Step 3: Cross multiply
    7,274.51x = 10,902.51 × 3,763.85
  4. Step 4: Simplify right side
    7,274.51x = 41,035,357.75
  5. Step 5: Solve for x
    x = 41,035,357.75/7,274.51
  6. Step 6: Final answer
    x = 5,640.98

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1.5x scale

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.