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Finding the Fourth Proportional to 1,719.24, 2,372.52 and 973.19

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Solution

The fourth proportional to 1,719.24, 2,372.52 and 973.19 is: 1,342.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.24 : 2,372.52 = 973.19 : x
  2. Step 2: Convert to fraction form
    1,719.24/2,372.52 = 973.19/x
  3. Step 3: Cross multiply
    1,719.24x = 2,372.52 × 973.19
  4. Step 4: Simplify right side
    1,719.24x = 2,308,922.32
  5. Step 5: Solve for x
    x = 2,308,922.32/1,719.24
  6. Step 6: Final answer
    x = 1,342.99

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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.