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Finding the Fourth Proportional to 52,894.95, 72,995.03 and 30,234.43

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Solution

The fourth proportional to 52,894.95, 72,995.03 and 30,234.43 is: 41,723.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,894.95 : 72,995.03 = 30,234.43 : x
  2. Step 2: Convert to fraction form
    52,894.95/72,995.03 = 30,234.43/x
  3. Step 3: Cross multiply
    52,894.95x = 72,995.03 × 30,234.43
  4. Step 4: Simplify right side
    52,894.95x = 2,206,962,608.74
  5. Step 5: Solve for x
    x = 2,206,962,608.74/52,894.95
  6. Step 6: Final answer
    x = 41,723.50

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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.