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Finding the Fourth Proportional to 34,968.70, 48,252.63 and 19,855.90

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Solution

The fourth proportional to 34,968.70, 48,252.63 and 19,855.90 is: 27,398.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,968.70 : 48,252.63 = 19,855.90 : x
  2. Step 2: Convert to fraction form
    34,968.70/48,252.63 = 19,855.90/x
  3. Step 3: Cross multiply
    34,968.70x = 48,252.63 × 19,855.90
  4. Step 4: Simplify right side
    34,968.70x = 958,099,396.02
  5. Step 5: Solve for x
    x = 958,099,396.02/34,968.70
  6. Step 6: Final answer
    x = 27,398.77

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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.