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Finding the Fourth Proportional to 2,518.56, 3,475.13 and 1,470.42

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Solution

The fourth proportional to 2,518.56, 3,475.13 and 1,470.42 is: 2,028.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.56 : 3,475.13 = 1,470.42 : x
  2. Step 2: Convert to fraction form
    2,518.56/3,475.13 = 1,470.42/x
  3. Step 3: Cross multiply
    2,518.56x = 3,475.13 × 1,470.42
  4. Step 4: Simplify right side
    2,518.56x = 5,109,893.30
  5. Step 5: Solve for x
    x = 5,109,893.30/2,518.56
  6. Step 6: Final answer
    x = 2,028.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.