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Finding the Fourth Proportional to 34,644.52, 47,809.40 and 19,740.52

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Solution

The fourth proportional to 34,644.52, 47,809.40 and 19,740.52 is: 27,241.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,644.52 : 47,809.40 = 19,740.52 : x
  2. Step 2: Convert to fraction form
    34,644.52/47,809.40 = 19,740.52/x
  3. Step 3: Cross multiply
    34,644.52x = 47,809.40 × 19,740.52
  4. Step 4: Simplify right side
    34,644.52x = 943,782,416.89
  5. Step 5: Solve for x
    x = 943,782,416.89/34,644.52
  6. Step 6: Final answer
    x = 27,241.90

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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.