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Finding the Fourth Proportional to 14,652,080.80, 21,978,121.20 and 4,014,512.80

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Solution

The fourth proportional to 14,652,080.80, 21,978,121.20 and 4,014,512.80 is: 6,021,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652,080.80 : 21,978,121.20 = 4,014,512.80 : x
  2. Step 2: Convert to fraction form
    14,652,080.80/21,978,121.20 = 4,014,512.80/x
  3. Step 3: Cross multiply
    14,652,080.80x = 21,978,121.20 × 4,014,512.80
  4. Step 4: Simplify right side
    14,652,080.80x = 88,231,448,877,351.36
  5. Step 5: Solve for x
    x = 88,231,448,877,351.36/14,652,080.80
  6. Step 6: Final answer
    x = 6,021,769.20

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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.