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Finding the Fourth Proportional to 5,817.17, 8,725.78 and 1,869.03

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Solution

The fourth proportional to 5,817.17, 8,725.78 and 1,869.03 is: 2,803.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.17 : 8,725.78 = 1,869.03 : x
  2. Step 2: Convert to fraction form
    5,817.17/8,725.78 = 1,869.03/x
  3. Step 3: Cross multiply
    5,817.17x = 8,725.78 × 1,869.03
  4. Step 4: Simplify right side
    5,817.17x = 16,308,744.59
  5. Step 5: Solve for x
    x = 16,308,744.59/5,817.17
  6. Step 6: Final answer
    x = 2,803.55

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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.