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Finding the Fourth Proportional to 5,671.98, 8,507.97 and 1,776.69

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Solution

The fourth proportional to 5,671.98, 8,507.97 and 1,776.69 is: 2,665.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671.98 : 8,507.97 = 1,776.69 : x
  2. Step 2: Convert to fraction form
    5,671.98/8,507.97 = 1,776.69/x
  3. Step 3: Cross multiply
    5,671.98x = 8,507.97 × 1,776.69
  4. Step 4: Simplify right side
    5,671.98x = 15,116,016.34
  5. Step 5: Solve for x
    x = 15,116,016.34/5,671.98
  6. Step 6: Final answer
    x = 2,665.03

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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.