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Finding the Fourth Proportional to 5,673.78, 8,500.89 and 4,426.83

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Solution

The fourth proportional to 5,673.78, 8,500.89 and 4,426.83 is: 6,632.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,673.78 : 8,500.89 = 4,426.83 : x
  2. Step 2: Convert to fraction form
    5,673.78/8,500.89 = 4,426.83/x
  3. Step 3: Cross multiply
    5,673.78x = 8,500.89 × 4,426.83
  4. Step 4: Simplify right side
    5,673.78x = 37,631,994.88
  5. Step 5: Solve for x
    x = 37,631,994.88/5,673.78
  6. Step 6: Final answer
    x = 6,632.61

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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.