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Finding the Fourth Proportional to 1,931.82, 2,897.61 and 944.25

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Solution

The fourth proportional to 1,931.82, 2,897.61 and 944.25 is: 1,416.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931.82 : 2,897.61 = 944.25 : x
  2. Step 2: Convert to fraction form
    1,931.82/2,897.61 = 944.25/x
  3. Step 3: Cross multiply
    1,931.82x = 2,897.61 × 944.25
  4. Step 4: Simplify right side
    1,931.82x = 2,736,063.52
  5. Step 5: Solve for x
    x = 2,736,063.52/1,931.82
  6. Step 6: Final answer
    x = 1,416.32

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