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Finding the Fourth Proportional to 34,704.80, 47,891.60 and 19,598.08

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Solution

The fourth proportional to 34,704.80, 47,891.60 and 19,598.08 is: 27,044.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,704.80 : 47,891.60 = 19,598.08 : x
  2. Step 2: Convert to fraction form
    34,704.80/47,891.60 = 19,598.08/x
  3. Step 3: Cross multiply
    34,704.80x = 47,891.60 × 19,598.08
  4. Step 4: Simplify right side
    34,704.80x = 938,583,408.13
  5. Step 5: Solve for x
    x = 938,583,408.13/34,704.80
  6. Step 6: Final answer
    x = 27,044.77

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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.