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Finding the Fourth Proportional to 8,652.70, 12,983.15 and 4,490.49

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Solution

The fourth proportional to 8,652.70, 12,983.15 and 4,490.49 is: 6,737.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652.70 : 12,983.15 = 4,490.49 : x
  2. Step 2: Convert to fraction form
    8,652.70/12,983.15 = 4,490.49/x
  3. Step 3: Cross multiply
    8,652.70x = 12,983.15 × 4,490.49
  4. Step 4: Simplify right side
    8,652.70x = 58,300,705.24
  5. Step 5: Solve for x
    x = 58,300,705.24/8,652.70
  6. Step 6: Final answer
    x = 6,737.86

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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.