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Finding the Fourth Proportional to 28,397.33, 42,602.15 and 10,867.16

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Solution

The fourth proportional to 28,397.33, 42,602.15 and 10,867.16 is: 16,303.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,397.33 : 42,602.15 = 10,867.16 : x
  2. Step 2: Convert to fraction form
    28,397.33/42,602.15 = 10,867.16/x
  3. Step 3: Cross multiply
    28,397.33x = 42,602.15 × 10,867.16
  4. Step 4: Simplify right side
    28,397.33x = 462,964,113.05
  5. Step 5: Solve for x
    x = 462,964,113.05/28,397.33
  6. Step 6: Final answer
    x = 16,303.09

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