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Finding the Fourth Proportional to 3,518.56, 5,274.02 and 1,873.44

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Solution

The fourth proportional to 3,518.56, 5,274.02 and 1,873.44 is: 2,808.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.56 : 5,274.02 = 1,873.44 : x
  2. Step 2: Convert to fraction form
    3,518.56/5,274.02 = 1,873.44/x
  3. Step 3: Cross multiply
    3,518.56x = 5,274.02 × 1,873.44
  4. Step 4: Simplify right side
    3,518.56x = 9,880,560.03
  5. Step 5: Solve for x
    x = 9,880,560.03/3,518.56
  6. Step 6: Final answer
    x = 2,808.13

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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.