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Finding the Fourth Proportional to 27,184,051.20, 40,776,076.80 and 11,017,747.20

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Solution

The fourth proportional to 27,184,051.20, 40,776,076.80 and 11,017,747.20 is: 16,526,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,184,051.20 : 40,776,076.80 = 11,017,747.20 : x
  2. Step 2: Convert to fraction form
    27,184,051.20/40,776,076.80 = 11,017,747.20/x
  3. Step 3: Cross multiply
    27,184,051.20x = 40,776,076.80 × 11,017,747.20
  4. Step 4: Simplify right side
    27,184,051.20x = 449,260,505,990,184.88
  5. Step 5: Solve for x
    x = 449,260,505,990,184.88/27,184,051.20
  6. Step 6: Final answer
    x = 16,526,620.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.