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Finding the Fourth Proportional to 2,783.68, 3,841.04 and 1,604.52

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Solution

The fourth proportional to 2,783.68, 3,841.04 and 1,604.52 is: 2,213.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.68 : 3,841.04 = 1,604.52 : x
  2. Step 2: Convert to fraction form
    2,783.68/3,841.04 = 1,604.52/x
  3. Step 3: Cross multiply
    2,783.68x = 3,841.04 × 1,604.52
  4. Step 4: Simplify right side
    2,783.68x = 6,163,025.50
  5. Step 5: Solve for x
    x = 6,163,025.50/2,783.68
  6. Step 6: Final answer
    x = 2,213.98

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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.