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Finding the Fourth Proportional to 9,275.52, 13,918.74 and 3,436.20

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Solution

The fourth proportional to 9,275.52, 13,918.74 and 3,436.20 is: 5,156.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,275.52 : 13,918.74 = 3,436.20 : x
  2. Step 2: Convert to fraction form
    9,275.52/13,918.74 = 3,436.20/x
  3. Step 3: Cross multiply
    9,275.52x = 13,918.74 × 3,436.20
  4. Step 4: Simplify right side
    9,275.52x = 47,827,574.39
  5. Step 5: Solve for x
    x = 47,827,574.39/9,275.52
  6. Step 6: Final answer
    x = 5,156.32

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