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Finding the Fourth Proportional to 55,807.72, 83,702.38 and 18,368.28

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Solution

The fourth proportional to 55,807.72, 83,702.38 and 18,368.28 is: 27,549.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,807.72 : 83,702.38 = 18,368.28 : x
  2. Step 2: Convert to fraction form
    55,807.72/83,702.38 = 18,368.28/x
  3. Step 3: Cross multiply
    55,807.72x = 83,702.38 × 18,368.28
  4. Step 4: Simplify right side
    55,807.72x = 1,537,468,752.51
  5. Step 5: Solve for x
    x = 1,537,468,752.51/55,807.72
  6. Step 6: Final answer
    x = 27,549.39

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