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Finding the Fourth Proportional to 15,959,622.80, 23,904,004.80 and 13,125,270.80

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Solution

The fourth proportional to 15,959,622.80, 23,904,004.80 and 13,125,270.80 is: 19,658,768.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,959,622.80 : 23,904,004.80 = 13,125,270.80 : x
  2. Step 2: Convert to fraction form
    15,959,622.80/23,904,004.80 = 13,125,270.80/x
  3. Step 3: Cross multiply
    15,959,622.80x = 23,904,004.80 × 13,125,270.80
  4. Step 4: Simplify right side
    15,959,622.80x = 313,746,536,204,499.88
  5. Step 5: Solve for x
    x = 313,746,536,204,499.88/15,959,622.80
  6. Step 6: Final answer
    x = 19,658,768.89

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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.