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Finding the Fourth Proportional to 2,698.08, 3,723.11 and 1,503.03

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Solution

The fourth proportional to 2,698.08, 3,723.11 and 1,503.03 is: 2,074.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.08 : 3,723.11 = 1,503.03 : x
  2. Step 2: Convert to fraction form
    2,698.08/3,723.11 = 1,503.03/x
  3. Step 3: Cross multiply
    2,698.08x = 3,723.11 × 1,503.03
  4. Step 4: Simplify right side
    2,698.08x = 5,595,946.02
  5. Step 5: Solve for x
    x = 5,595,946.02/2,698.08
  6. Step 6: Final answer
    x = 2,074.05

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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.