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Finding the Fourth Proportional to 19,604, 29,410.86 and 5,753

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Solution

The fourth proportional to 19,604, 29,410.86 and 5,753 is: 8,630.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,604 : 29,410.86 = 5,753 : x
  2. Step 2: Convert to fraction form
    19,604/29,410.86 = 5,753/x
  3. Step 3: Cross multiply
    19,604x = 29,410.86 × 5,753
  4. Step 4: Simplify right side
    19,604x = 169,200,677.58
  5. Step 5: Solve for x
    x = 169,200,677.58/19,604
  6. Step 6: Final answer
    x = 8,630.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.