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Finding the Fourth Proportional to 5,787.90, 8,676.65 and 2,089.26

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Solution

The fourth proportional to 5,787.90, 8,676.65 and 2,089.26 is: 3,132.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.90 : 8,676.65 = 2,089.26 : x
  2. Step 2: Convert to fraction form
    5,787.90/8,676.65 = 2,089.26/x
  3. Step 3: Cross multiply
    5,787.90x = 8,676.65 × 2,089.26
  4. Step 4: Simplify right side
    5,787.90x = 18,127,783.00
  5. Step 5: Solve for x
    x = 18,127,783.00/5,787.90
  6. Step 6: Final answer
    x = 3,132.01

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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.