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Finding the Fourth Proportional to 56,863.63, 78,446.44 and 32,976.46

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Solution

The fourth proportional to 56,863.63, 78,446.44 and 32,976.46 is: 45,492.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,863.63 : 78,446.44 = 32,976.46 : x
  2. Step 2: Convert to fraction form
    56,863.63/78,446.44 = 32,976.46/x
  3. Step 3: Cross multiply
    56,863.63x = 78,446.44 × 32,976.46
  4. Step 4: Simplify right side
    56,863.63x = 2,586,885,890.80
  5. Step 5: Solve for x
    x = 2,586,885,890.80/56,863.63
  6. Step 6: Final answer
    x = 45,492.80

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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.