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Finding the Fourth Proportional to 52,502.77, 78,754.44 and 13,059.89

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Solution

The fourth proportional to 52,502.77, 78,754.44 and 13,059.89 is: 19,589.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,502.77 : 78,754.44 = 13,059.89 : x
  2. Step 2: Convert to fraction form
    52,502.77/78,754.44 = 13,059.89/x
  3. Step 3: Cross multiply
    52,502.77x = 78,754.44 × 13,059.89
  4. Step 4: Simplify right side
    52,502.77x = 1,028,524,077.06
  5. Step 5: Solve for x
    x = 1,028,524,077.06/52,502.77
  6. Step 6: Final answer
    x = 19,589.90

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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.