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Finding the Fourth Proportional to 15,497.61, 23,220.87 and 8,929.32

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Solution

The fourth proportional to 15,497.61, 23,220.87 and 8,929.32 is: 13,379.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,497.61 : 23,220.87 = 8,929.32 : x
  2. Step 2: Convert to fraction form
    15,497.61/23,220.87 = 8,929.32/x
  3. Step 3: Cross multiply
    15,497.61x = 23,220.87 × 8,929.32
  4. Step 4: Simplify right side
    15,497.61x = 207,346,578.91
  5. Step 5: Solve for x
    x = 207,346,578.91/15,497.61
  6. Step 6: Final answer
    x = 13,379.26

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