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Finding the Fourth Proportional to 3,471.03, 4,790.08 and 1,899.22

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Solution

The fourth proportional to 3,471.03, 4,790.08 and 1,899.22 is: 2,620.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.03 : 4,790.08 = 1,899.22 : x
  2. Step 2: Convert to fraction form
    3,471.03/4,790.08 = 1,899.22/x
  3. Step 3: Cross multiply
    3,471.03x = 4,790.08 × 1,899.22
  4. Step 4: Simplify right side
    3,471.03x = 9,097,415.74
  5. Step 5: Solve for x
    x = 9,097,415.74/3,471.03
  6. Step 6: Final answer
    x = 2,620.96

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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.