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Finding the Fourth Proportional to 3,471.83, 4,790.83 and 1,959.31

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Solution

The fourth proportional to 3,471.83, 4,790.83 and 1,959.31 is: 2,703.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.83 : 4,790.83 = 1,959.31 : x
  2. Step 2: Convert to fraction form
    3,471.83/4,790.83 = 1,959.31/x
  3. Step 3: Cross multiply
    3,471.83x = 4,790.83 × 1,959.31
  4. Step 4: Simplify right side
    3,471.83x = 9,386,698.94
  5. Step 5: Solve for x
    x = 9,386,698.94/3,471.83
  6. Step 6: Final answer
    x = 2,703.68

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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.