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Finding the Fourth Proportional to 1,866.19, 2,797.92 and 941.32

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Solution

The fourth proportional to 1,866.19, 2,797.92 and 941.32 is: 1,411.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866.19 : 2,797.92 = 941.32 : x
  2. Step 2: Convert to fraction form
    1,866.19/2,797.92 = 941.32/x
  3. Step 3: Cross multiply
    1,866.19x = 2,797.92 × 941.32
  4. Step 4: Simplify right side
    1,866.19x = 2,633,738.05
  5. Step 5: Solve for x
    x = 2,633,738.05/1,866.19
  6. Step 6: Final answer
    x = 1,411.29

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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.