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Finding the Fourth Proportional to 12,904,752.80, 19,367,626.80 and 12,484,848.80

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Solution

The fourth proportional to 12,904,752.80, 19,367,626.80 and 12,484,848.80 is: 18,737,429.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904,752.80 : 19,367,626.80 = 12,484,848.80 : x
  2. Step 2: Convert to fraction form
    12,904,752.80/19,367,626.80 = 12,484,848.80/x
  3. Step 3: Cross multiply
    12,904,752.80x = 19,367,626.80 × 12,484,848.80
  4. Step 4: Simplify right side
    12,904,752.80x = 241,801,892,212,827.88
  5. Step 5: Solve for x
    x = 241,801,892,212,827.88/12,904,752.80
  6. Step 6: Final answer
    x = 18,737,429.22

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