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Finding the Fourth Proportional to 1,978.99, 2,731.03 and 1,094.76

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Solution

The fourth proportional to 1,978.99, 2,731.03 and 1,094.76 is: 1,510.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978.99 : 2,731.03 = 1,094.76 : x
  2. Step 2: Convert to fraction form
    1,978.99/2,731.03 = 1,094.76/x
  3. Step 3: Cross multiply
    1,978.99x = 2,731.03 × 1,094.76
  4. Step 4: Simplify right side
    1,978.99x = 2,989,819.67
  5. Step 5: Solve for x
    x = 2,989,819.67/1,978.99
  6. Step 6: Final answer
    x = 1,510.78

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