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Finding the Fourth Proportional to 8,662.36, 11,954.05 and 4,683.47

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Solution

The fourth proportional to 8,662.36, 11,954.05 and 4,683.47 is: 6,463.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,662.36 : 11,954.05 = 4,683.47 : x
  2. Step 2: Convert to fraction form
    8,662.36/11,954.05 = 4,683.47/x
  3. Step 3: Cross multiply
    8,662.36x = 11,954.05 × 4,683.47
  4. Step 4: Simplify right side
    8,662.36x = 55,986,404.67
  5. Step 5: Solve for x
    x = 55,986,404.67/8,662.36
  6. Step 6: Final answer
    x = 6,463.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.