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Finding the Fourth Proportional to 55,803.96, 76,956.75 and 36,649.98

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Solution

The fourth proportional to 55,803.96, 76,956.75 and 36,649.98 is: 50,542.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,803.96 : 76,956.75 = 36,649.98 : x
  2. Step 2: Convert to fraction form
    55,803.96/76,956.75 = 36,649.98/x
  3. Step 3: Cross multiply
    55,803.96x = 76,956.75 × 36,649.98
  4. Step 4: Simplify right side
    55,803.96x = 2,820,463,348.37
  5. Step 5: Solve for x
    x = 2,820,463,348.37/55,803.96
  6. Step 6: Final answer
    x = 50,542.35

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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.