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Finding the Fourth Proportional to 1,718.08, 2,574.80 and 1,253.68

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Solution

The fourth proportional to 1,718.08, 2,574.80 and 1,253.68 is: 1,878.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.08 : 2,574.80 = 1,253.68 : x
  2. Step 2: Convert to fraction form
    1,718.08/2,574.80 = 1,253.68/x
  3. Step 3: Cross multiply
    1,718.08x = 2,574.80 × 1,253.68
  4. Step 4: Simplify right side
    1,718.08x = 3,227,956.12
  5. Step 5: Solve for x
    x = 3,227,956.12/1,718.08
  6. Step 6: Final answer
    x = 1,878.82

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