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Finding the Fourth Proportional to 2,900.73, 4,003.01 and 1,574.44

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Solution

The fourth proportional to 2,900.73, 4,003.01 and 1,574.44 is: 2,172.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.73 : 4,003.01 = 1,574.44 : x
  2. Step 2: Convert to fraction form
    2,900.73/4,003.01 = 1,574.44/x
  3. Step 3: Cross multiply
    2,900.73x = 4,003.01 × 1,574.44
  4. Step 4: Simplify right side
    2,900.73x = 6,302,481.02
  5. Step 5: Solve for x
    x = 6,302,481.02/2,900.73
  6. Step 6: Final answer
    x = 2,172.72

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1.5x scale

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.