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Finding the Fourth Proportional to 23,174,588.84, 31,978,819.34 and 13,753,755.32

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Solution

The fourth proportional to 23,174,588.84, 31,978,819.34 and 13,753,755.32 is: 18,978,928.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,174,588.84 : 31,978,819.34 = 13,753,755.32 : x
  2. Step 2: Convert to fraction form
    23,174,588.84/31,978,819.34 = 13,753,755.32/x
  3. Step 3: Cross multiply
    23,174,588.84x = 31,978,819.34 × 13,753,755.32
  4. Step 4: Simplify right side
    23,174,588.84x = 439,828,856,624,843.88
  5. Step 5: Solve for x
    x = 439,828,856,624,843.88/23,174,588.84
  6. Step 6: Final answer
    x = 18,978,928.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.