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Finding the Fourth Proportional to 5,784.92, 8,676.29 and 2,820.39

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Solution

The fourth proportional to 5,784.92, 8,676.29 and 2,820.39 is: 4,230.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,784.92 : 8,676.29 = 2,820.39 : x
  2. Step 2: Convert to fraction form
    5,784.92/8,676.29 = 2,820.39/x
  3. Step 3: Cross multiply
    5,784.92x = 8,676.29 × 2,820.39
  4. Step 4: Simplify right side
    5,784.92x = 24,470,507.45
  5. Step 5: Solve for x
    x = 24,470,507.45/5,784.92
  6. Step 6: Final answer
    x = 4,230.05

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1.5x scale

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.