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Finding the Fourth Proportional to 1,866.58, 2,797.26 and 1,474.86

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Solution

The fourth proportional to 1,866.58, 2,797.26 and 1,474.86 is: 2,210.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866.58 : 2,797.26 = 1,474.86 : x
  2. Step 2: Convert to fraction form
    1,866.58/2,797.26 = 1,474.86/x
  3. Step 3: Cross multiply
    1,866.58x = 2,797.26 × 1,474.86
  4. Step 4: Simplify right side
    1,866.58x = 4,125,566.88
  5. Step 5: Solve for x
    x = 4,125,566.88/1,866.58
  6. Step 6: Final answer
    x = 2,210.23

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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.