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Finding the Fourth Proportional to 8,982.84, 12,401.46 and 6,003.72

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Solution

The fourth proportional to 8,982.84, 12,401.46 and 6,003.72 is: 8,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982.84 : 12,401.46 = 6,003.72 : x
  2. Step 2: Convert to fraction form
    8,982.84/12,401.46 = 6,003.72/x
  3. Step 3: Cross multiply
    8,982.84x = 12,401.46 × 6,003.72
  4. Step 4: Simplify right side
    8,982.84x = 74,454,893.43
  5. Step 5: Solve for x
    x = 74,454,893.43/8,982.84
  6. Step 6: Final answer
    x = 8,288.57

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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.