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Finding the Fourth Proportional to 7,194,874.86, 9,929,493.54 and 4,097,529.36

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Solution

The fourth proportional to 7,194,874.86, 9,929,493.54 and 4,097,529.36 is: 5,654,912.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,194,874.86 : 9,929,493.54 = 4,097,529.36 : x
  2. Step 2: Convert to fraction form
    7,194,874.86/9,929,493.54 = 4,097,529.36/x
  3. Step 3: Cross multiply
    7,194,874.86x = 9,929,493.54 × 4,097,529.36
  4. Step 4: Simplify right side
    7,194,874.86x = 40,686,391,310,080.33
  5. Step 5: Solve for x
    x = 40,686,391,310,080.33/7,194,874.86
  6. Step 6: Final answer
    x = 5,654,912.99

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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.