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Finding the Fourth Proportional to 10,931.76, 16,404.12 and 4,011.12

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Solution

The fourth proportional to 10,931.76, 16,404.12 and 4,011.12 is: 6,019.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931.76 : 16,404.12 = 4,011.12 : x
  2. Step 2: Convert to fraction form
    10,931.76/16,404.12 = 4,011.12/x
  3. Step 3: Cross multiply
    10,931.76x = 16,404.12 × 4,011.12
  4. Step 4: Simplify right side
    10,931.76x = 65,798,893.81
  5. Step 5: Solve for x
    x = 65,798,893.81/10,931.76
  6. Step 6: Final answer
    x = 6,019.06

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