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Finding the Fourth Proportional to 52,862.68, 79,294.02 and 21,282.40

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Solution

The fourth proportional to 52,862.68, 79,294.02 and 21,282.40 is: 31,923.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,862.68 : 79,294.02 = 21,282.40 : x
  2. Step 2: Convert to fraction form
    52,862.68/79,294.02 = 21,282.40/x
  3. Step 3: Cross multiply
    52,862.68x = 79,294.02 × 21,282.40
  4. Step 4: Simplify right side
    52,862.68x = 1,687,567,051.25
  5. Step 5: Solve for x
    x = 1,687,567,051.25/52,862.68
  6. Step 6: Final answer
    x = 31,923.60

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