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Finding the Fourth Proportional to 3,592.74, 4,956.79 and 2,928.45

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Solution

The fourth proportional to 3,592.74, 4,956.79 and 2,928.45 is: 4,040.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,592.74 : 4,956.79 = 2,928.45 : x
  2. Step 2: Convert to fraction form
    3,592.74/4,956.79 = 2,928.45/x
  3. Step 3: Cross multiply
    3,592.74x = 4,956.79 × 2,928.45
  4. Step 4: Simplify right side
    3,592.74x = 14,515,711.68
  5. Step 5: Solve for x
    x = 14,515,711.68/3,592.74
  6. Step 6: Final answer
    x = 4,040.29

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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.