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Finding the Fourth Proportional to 1,913.76, 2,867.40 and 1,667.52

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Solution

The fourth proportional to 1,913.76, 2,867.40 and 1,667.52 is: 2,498.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913.76 : 2,867.40 = 1,667.52 : x
  2. Step 2: Convert to fraction form
    1,913.76/2,867.40 = 1,667.52/x
  3. Step 3: Cross multiply
    1,913.76x = 2,867.40 × 1,667.52
  4. Step 4: Simplify right side
    1,913.76x = 4,781,446.85
  5. Step 5: Solve for x
    x = 4,781,446.85/1,913.76
  6. Step 6: Final answer
    x = 2,498.46

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