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Finding the Fourth Proportional to 55,330.94, 82,996.98 and 15,887.96

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Solution

The fourth proportional to 55,330.94, 82,996.98 and 15,887.96 is: 23,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,330.94 : 82,996.98 = 15,887.96 : x
  2. Step 2: Convert to fraction form
    55,330.94/82,996.98 = 15,887.96/x
  3. Step 3: Cross multiply
    55,330.94x = 82,996.98 × 15,887.96
  4. Step 4: Simplify right side
    55,330.94x = 1,318,652,698.36
  5. Step 5: Solve for x
    x = 1,318,652,698.36/55,330.94
  6. Step 6: Final answer
    x = 23,832.10

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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.