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Finding the Fourth Proportional to 52,605, 72,597.06 and 30,249

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Solution

The fourth proportional to 52,605, 72,597.06 and 30,249 is: 41,744.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,605 : 72,597.06 = 30,249 : x
  2. Step 2: Convert to fraction form
    52,605/72,597.06 = 30,249/x
  3. Step 3: Cross multiply
    52,605x = 72,597.06 × 30,249
  4. Step 4: Simplify right side
    52,605x = 2,195,988,467.94
  5. Step 5: Solve for x
    x = 2,195,988,467.94/52,605
  6. Step 6: Final answer
    x = 41,744.86

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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.