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Finding the Fourth Proportional to 34,934.40, 48,209.04 and 19,018.44

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Solution

The fourth proportional to 34,934.40, 48,209.04 and 19,018.44 is: 26,245.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,934.40 : 48,209.04 = 19,018.44 : x
  2. Step 2: Convert to fraction form
    34,934.40/48,209.04 = 19,018.44/x
  3. Step 3: Cross multiply
    34,934.40x = 48,209.04 × 19,018.44
  4. Step 4: Simplify right side
    34,934.40x = 916,860,734.70
  5. Step 5: Solve for x
    x = 916,860,734.70/34,934.40
  6. Step 6: Final answer
    x = 26,245.21

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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.