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Finding the Fourth Proportional to 1,690.56, 2,522.22 and 1,514.34

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Solution

The fourth proportional to 1,690.56, 2,522.22 and 1,514.34 is: 2,259.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690.56 : 2,522.22 = 1,514.34 : x
  2. Step 2: Convert to fraction form
    1,690.56/2,522.22 = 1,514.34/x
  3. Step 3: Cross multiply
    1,690.56x = 2,522.22 × 1,514.34
  4. Step 4: Simplify right side
    1,690.56x = 3,819,498.63
  5. Step 5: Solve for x
    x = 3,819,498.63/1,690.56
  6. Step 6: Final answer
    x = 2,259.31

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.