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Finding the Fourth Proportional to 52,814.56, 79,234.81 and 15,374.96

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Solution

The fourth proportional to 52,814.56, 79,234.81 and 15,374.96 is: 23,066.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,814.56 : 79,234.81 = 15,374.96 : x
  2. Step 2: Convert to fraction form
    52,814.56/79,234.81 = 15,374.96/x
  3. Step 3: Cross multiply
    52,814.56x = 79,234.81 × 15,374.96
  4. Step 4: Simplify right side
    52,814.56x = 1,218,232,034.36
  5. Step 5: Solve for x
    x = 1,218,232,034.36/52,814.56
  6. Step 6: Final answer
    x = 23,066.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.