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Finding the Fourth Proportional to 3,192.41, 4,780.41 and 1,956.07

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Solution

The fourth proportional to 3,192.41, 4,780.41 and 1,956.07 is: 2,929.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.41 : 4,780.41 = 1,956.07 : x
  2. Step 2: Convert to fraction form
    3,192.41/4,780.41 = 1,956.07/x
  3. Step 3: Cross multiply
    3,192.41x = 4,780.41 × 1,956.07
  4. Step 4: Simplify right side
    3,192.41x = 9,350,816.59
  5. Step 5: Solve for x
    x = 9,350,816.59/3,192.41
  6. Step 6: Final answer
    x = 2,929.08

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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.