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Finding the Fourth Proportional to 4,819.63, 7,232.46 and 1,897.87

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Solution

The fourth proportional to 4,819.63, 7,232.46 and 1,897.87 is: 2,847.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.63 : 7,232.46 = 1,897.87 : x
  2. Step 2: Convert to fraction form
    4,819.63/7,232.46 = 1,897.87/x
  3. Step 3: Cross multiply
    4,819.63x = 7,232.46 × 1,897.87
  4. Step 4: Simplify right side
    4,819.63x = 13,726,268.86
  5. Step 5: Solve for x
    x = 13,726,268.86/4,819.63
  6. Step 6: Final answer
    x = 2,847.99

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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.