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Finding the Fourth Proportional to 8,361.69, 12,534.35 and 4,665.69

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Solution

The fourth proportional to 8,361.69, 12,534.35 and 4,665.69 is: 6,993.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361.69 : 12,534.35 = 4,665.69 : x
  2. Step 2: Convert to fraction form
    8,361.69/12,534.35 = 4,665.69/x
  3. Step 3: Cross multiply
    8,361.69x = 12,534.35 × 4,665.69
  4. Step 4: Simplify right side
    8,361.69x = 58,481,368.12
  5. Step 5: Solve for x
    x = 58,481,368.12/8,361.69
  6. Step 6: Final answer
    x = 6,993.97

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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.