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Finding the Fourth Proportional to 14,875.76, 22,267.56 and 8,731.76

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Solution

The fourth proportional to 14,875.76, 22,267.56 and 8,731.76 is: 13,070.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,875.76 : 22,267.56 = 8,731.76 : x
  2. Step 2: Convert to fraction form
    14,875.76/22,267.56 = 8,731.76/x
  3. Step 3: Cross multiply
    14,875.76x = 22,267.56 × 8,731.76
  4. Step 4: Simplify right side
    14,875.76x = 194,434,989.71
  5. Step 5: Solve for x
    x = 194,434,989.71/14,875.76
  6. Step 6: Final answer
    x = 13,070.59

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