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Finding the Fourth Proportional to 34,810.50, 48,037.21 and 18,894.61

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Solution

The fourth proportional to 34,810.50, 48,037.21 and 18,894.61 is: 26,073.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,810.50 : 48,037.21 = 18,894.61 : x
  2. Step 2: Convert to fraction form
    34,810.50/48,037.21 = 18,894.61/x
  3. Step 3: Cross multiply
    34,810.50x = 48,037.21 × 18,894.61
  4. Step 4: Simplify right side
    34,810.50x = 907,644,348.44
  5. Step 5: Solve for x
    x = 907,644,348.44/34,810.50
  6. Step 6: Final answer
    x = 26,073.87

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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.