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Finding the Fourth Proportional to 34,855.83, 48,098.70 and 18,939.99

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Solution

The fourth proportional to 34,855.83, 48,098.70 and 18,939.99 is: 26,135.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,855.83 : 48,098.70 = 18,939.99 : x
  2. Step 2: Convert to fraction form
    34,855.83/48,098.70 = 18,939.99/x
  3. Step 3: Cross multiply
    34,855.83x = 48,098.70 × 18,939.99
  4. Step 4: Simplify right side
    34,855.83x = 910,988,897.01
  5. Step 5: Solve for x
    x = 910,988,897.01/34,855.83
  6. Step 6: Final answer
    x = 26,135.91

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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.