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Finding the Fourth Proportional to 1,906.60, 2,860.88 and 1,444.23

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Solution

The fourth proportional to 1,906.60, 2,860.88 and 1,444.23 is: 2,167.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906.60 : 2,860.88 = 1,444.23 : x
  2. Step 2: Convert to fraction form
    1,906.60/2,860.88 = 1,444.23/x
  3. Step 3: Cross multiply
    1,906.60x = 2,860.88 × 1,444.23
  4. Step 4: Simplify right side
    1,906.60x = 4,131,747.20
  5. Step 5: Solve for x
    x = 4,131,747.20/1,906.60
  6. Step 6: Final answer
    x = 2,167.08

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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.