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Finding the Fourth Proportional to 55,077.38, 76,007.38 and 29,926.88

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Solution

The fourth proportional to 55,077.38, 76,007.38 and 29,926.88 is: 41,299.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,077.38 : 76,007.38 = 29,926.88 : x
  2. Step 2: Convert to fraction form
    55,077.38/76,007.38 = 29,926.88/x
  3. Step 3: Cross multiply
    55,077.38x = 76,007.38 × 29,926.88
  4. Step 4: Simplify right side
    55,077.38x = 2,274,663,740.37
  5. Step 5: Solve for x
    x = 2,274,663,740.37/55,077.38
  6. Step 6: Final answer
    x = 41,299.42

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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.