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Finding the Fourth Proportional to 52,519, 72,476.22 and 39,101.80

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Solution

The fourth proportional to 52,519, 72,476.22 and 39,101.80 is: 53,960.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,519 : 72,476.22 = 39,101.80 : x
  2. Step 2: Convert to fraction form
    52,519/72,476.22 = 39,101.80/x
  3. Step 3: Cross multiply
    52,519x = 72,476.22 × 39,101.80
  4. Step 4: Simplify right side
    52,519x = 2,833,950,659.20
  5. Step 5: Solve for x
    x = 2,833,950,659.20/52,519
  6. Step 6: Final answer
    x = 53,960.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.