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Finding the Fourth Proportional to 5,673.83, 8,511.89 and 1,976.34

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Solution

The fourth proportional to 5,673.83, 8,511.89 and 1,976.34 is: 2,964.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,673.83 : 8,511.89 = 1,976.34 : x
  2. Step 2: Convert to fraction form
    5,673.83/8,511.89 = 1,976.34/x
  3. Step 3: Cross multiply
    5,673.83x = 8,511.89 × 1,976.34
  4. Step 4: Simplify right side
    5,673.83x = 16,822,421.84
  5. Step 5: Solve for x
    x = 16,822,421.84/5,673.83
  6. Step 6: Final answer
    x = 2,964.92

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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.