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Finding the Fourth Proportional to 5,671.75, 8,508.39 and 1,776.46

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Solution

The fourth proportional to 5,671.75, 8,508.39 and 1,776.46 is: 2,664.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671.75 : 8,508.39 = 1,776.46 : x
  2. Step 2: Convert to fraction form
    5,671.75/8,508.39 = 1,776.46/x
  3. Step 3: Cross multiply
    5,671.75x = 8,508.39 × 1,776.46
  4. Step 4: Simplify right side
    5,671.75x = 15,114,814.50
  5. Step 5: Solve for x
    x = 15,114,814.50/5,671.75
  6. Step 6: Final answer
    x = 2,664.93

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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.