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Finding the Fourth Proportional to 56,854.32, 85,284.36 and 15,301.68

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Solution

The fourth proportional to 56,854.32, 85,284.36 and 15,301.68 is: 22,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,854.32 : 85,284.36 = 15,301.68 : x
  2. Step 2: Convert to fraction form
    56,854.32/85,284.36 = 15,301.68/x
  3. Step 3: Cross multiply
    56,854.32x = 85,284.36 × 15,301.68
  4. Step 4: Simplify right side
    56,854.32x = 1,304,993,985.72
  5. Step 5: Solve for x
    x = 1,304,993,985.72/56,854.32
  6. Step 6: Final answer
    x = 22,953.30

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