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Finding the Fourth Proportional to 55,379.67, 76,397.34 and 36,251.01

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Solution

The fourth proportional to 55,379.67, 76,397.34 and 36,251.01 is: 50,008.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,379.67 : 76,397.34 = 36,251.01 : x
  2. Step 2: Convert to fraction form
    55,379.67/76,397.34 = 36,251.01/x
  3. Step 3: Cross multiply
    55,379.67x = 76,397.34 × 36,251.01
  4. Step 4: Simplify right side
    55,379.67x = 2,769,480,736.31
  5. Step 5: Solve for x
    x = 2,769,480,736.31/55,379.67
  6. Step 6: Final answer
    x = 50,008.98

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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.