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Finding the Fourth Proportional to 37,437.96, 51,664.32 and 20,670.96

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Solution

The fourth proportional to 37,437.96, 51,664.32 and 20,670.96 is: 28,525.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,437.96 : 51,664.32 = 20,670.96 : x
  2. Step 2: Convert to fraction form
    37,437.96/51,664.32 = 20,670.96/x
  3. Step 3: Cross multiply
    37,437.96x = 51,664.32 × 20,670.96
  4. Step 4: Simplify right side
    37,437.96x = 1,067,951,092.15
  5. Step 5: Solve for x
    x = 1,067,951,092.15/37,437.96
  6. Step 6: Final answer
    x = 28,525.89

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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.