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Finding the Fourth Proportional to 56,326.80, 84,500.40 and 26,744.40

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Solution

The fourth proportional to 56,326.80, 84,500.40 and 26,744.40 is: 40,121.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,326.80 : 84,500.40 = 26,744.40 : x
  2. Step 2: Convert to fraction form
    56,326.80/84,500.40 = 26,744.40/x
  3. Step 3: Cross multiply
    56,326.80x = 84,500.40 × 26,744.40
  4. Step 4: Simplify right side
    56,326.80x = 2,259,912,497.76
  5. Step 5: Solve for x
    x = 2,259,912,497.76/56,326.80
  6. Step 6: Final answer
    x = 40,121.44

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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.