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Finding the Fourth Proportional to 4,570.64, 6,857.40 and 1,973.60

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Solution

The fourth proportional to 4,570.64, 6,857.40 and 1,973.60 is: 2,961.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,570.64 : 6,857.40 = 1,973.60 : x
  2. Step 2: Convert to fraction form
    4,570.64/6,857.40 = 1,973.60/x
  3. Step 3: Cross multiply
    4,570.64x = 6,857.40 × 1,973.60
  4. Step 4: Simplify right side
    4,570.64x = 13,533,764.64
  5. Step 5: Solve for x
    x = 13,533,764.64/4,570.64
  6. Step 6: Final answer
    x = 2,961.02

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