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Finding the Fourth Proportional to 52,801.88, 78,983.94 and 40,226.76

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Solution

The fourth proportional to 52,801.88, 78,983.94 and 40,226.76 is: 60,173.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,801.88 : 78,983.94 = 40,226.76 : x
  2. Step 2: Convert to fraction form
    52,801.88/78,983.94 = 40,226.76/x
  3. Step 3: Cross multiply
    52,801.88x = 78,983.94 × 40,226.76
  4. Step 4: Simplify right side
    52,801.88x = 3,177,267,998.23
  5. Step 5: Solve for x
    x = 3,177,267,998.23/52,801.88
  6. Step 6: Final answer
    x = 60,173.39

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1.5x scale

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.