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Finding the Fourth Proportional to 7,365.94, 11,048.62 and 1,819.15

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Solution

The fourth proportional to 7,365.94, 11,048.62 and 1,819.15 is: 2,728.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365.94 : 11,048.62 = 1,819.15 : x
  2. Step 2: Convert to fraction form
    7,365.94/11,048.62 = 1,819.15/x
  3. Step 3: Cross multiply
    7,365.94x = 11,048.62 × 1,819.15
  4. Step 4: Simplify right side
    7,365.94x = 20,099,050.86
  5. Step 5: Solve for x
    x = 20,099,050.86/7,365.94
  6. Step 6: Final answer
    x = 2,728.65

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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.