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Finding the Fourth Proportional to 5,800.79, 8,700.88 and 2,052.31

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Solution

The fourth proportional to 5,800.79, 8,700.88 and 2,052.31 is: 3,078.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,800.79 : 8,700.88 = 2,052.31 : x
  2. Step 2: Convert to fraction form
    5,800.79/8,700.88 = 2,052.31/x
  3. Step 3: Cross multiply
    5,800.79x = 8,700.88 × 2,052.31
  4. Step 4: Simplify right side
    5,800.79x = 17,856,903.03
  5. Step 5: Solve for x
    x = 17,856,903.03/5,800.79
  6. Step 6: Final answer
    x = 3,078.36

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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.