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Finding the Fourth Proportional to 1,719.95, 2,374.73 and 1,519.25

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Solution

The fourth proportional to 1,719.95, 2,374.73 and 1,519.25 is: 2,097.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.95 : 2,374.73 = 1,519.25 : x
  2. Step 2: Convert to fraction form
    1,719.95/2,374.73 = 1,519.25/x
  3. Step 3: Cross multiply
    1,719.95x = 2,374.73 × 1,519.25
  4. Step 4: Simplify right side
    1,719.95x = 3,607,808.55
  5. Step 5: Solve for x
    x = 3,607,808.55/1,719.95
  6. Step 6: Final answer
    x = 2,097.62

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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.