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Finding the Fourth Proportional to 4,869.64, 7,310.94 and 2,562.76

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Solution

The fourth proportional to 4,869.64, 7,310.94 and 2,562.76 is: 3,847.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.64 : 7,310.94 = 2,562.76 : x
  2. Step 2: Convert to fraction form
    4,869.64/7,310.94 = 2,562.76/x
  3. Step 3: Cross multiply
    4,869.64x = 7,310.94 × 2,562.76
  4. Step 4: Simplify right side
    4,869.64x = 18,736,184.59
  5. Step 5: Solve for x
    x = 18,736,184.59/4,869.64
  6. Step 6: Final answer
    x = 3,847.55

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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.