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Finding the Fourth Proportional to 1,875.33, 2,811.56 and 1,134.78

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Solution

The fourth proportional to 1,875.33, 2,811.56 and 1,134.78 is: 1,701.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.33 : 2,811.56 = 1,134.78 : x
  2. Step 2: Convert to fraction form
    1,875.33/2,811.56 = 1,134.78/x
  3. Step 3: Cross multiply
    1,875.33x = 2,811.56 × 1,134.78
  4. Step 4: Simplify right side
    1,875.33x = 3,190,502.06
  5. Step 5: Solve for x
    x = 3,190,502.06/1,875.33
  6. Step 6: Final answer
    x = 1,701.31

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