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Finding the Fourth Proportional to 34,634.88, 47,783.04 and 21,884.40

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Solution

The fourth proportional to 34,634.88, 47,783.04 and 21,884.40 is: 30,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,634.88 : 47,783.04 = 21,884.40 : x
  2. Step 2: Convert to fraction form
    34,634.88/47,783.04 = 21,884.40/x
  3. Step 3: Cross multiply
    34,634.88x = 47,783.04 × 21,884.40
  4. Step 4: Simplify right side
    34,634.88x = 1,045,703,160.58
  5. Step 5: Solve for x
    x = 1,045,703,160.58/34,634.88
  6. Step 6: Final answer
    x = 30,192.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.