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Finding the Fourth Proportional to 55,077.94, 76,007.76 and 29,927.44

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Solution

The fourth proportional to 55,077.94, 76,007.76 and 29,927.44 is: 41,299.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,077.94 : 76,007.76 = 29,927.44 : x
  2. Step 2: Convert to fraction form
    55,077.94/76,007.76 = 29,927.44/x
  3. Step 3: Cross multiply
    55,077.94x = 76,007.76 × 29,927.44
  4. Step 4: Simplify right side
    55,077.94x = 2,274,717,676.93
  5. Step 5: Solve for x
    x = 2,274,717,676.93/55,077.94
  6. Step 6: Final answer
    x = 41,299.98

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1.5x scale

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.