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Finding the Fourth Proportional to 55,077.78, 76,007.54 and 29,927.28

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Solution

The fourth proportional to 55,077.78, 76,007.54 and 29,927.28 is: 41,299.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,077.78 : 76,007.54 = 29,927.28 : x
  2. Step 2: Convert to fraction form
    55,077.78/76,007.54 = 29,927.28/x
  3. Step 3: Cross multiply
    55,077.78x = 76,007.54 × 29,927.28
  4. Step 4: Simplify right side
    55,077.78x = 2,274,698,931.69
  5. Step 5: Solve for x
    x = 2,274,698,931.69/55,077.78
  6. Step 6: Final answer
    x = 41,299.76

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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.