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Finding the Fourth Proportional to 52,672.80, 78,958.80 and 26,351.04

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Solution

The fourth proportional to 52,672.80, 78,958.80 and 26,351.04 is: 39,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,672.80 : 78,958.80 = 26,351.04 : x
  2. Step 2: Convert to fraction form
    52,672.80/78,958.80 = 26,351.04/x
  3. Step 3: Cross multiply
    52,672.80x = 78,958.80 × 26,351.04
  4. Step 4: Simplify right side
    52,672.80x = 2,080,646,497.15
  5. Step 5: Solve for x
    x = 2,080,646,497.15/52,672.80
  6. Step 6: Final answer
    x = 39,501.35

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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.