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Finding the Fourth Proportional to 19,669.34, 29,504.02 and 5,818.34

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Solution

The fourth proportional to 19,669.34, 29,504.02 and 5,818.34 is: 8,727.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,669.34 : 29,504.02 = 5,818.34 : x
  2. Step 2: Convert to fraction form
    19,669.34/29,504.02 = 5,818.34/x
  3. Step 3: Cross multiply
    19,669.34x = 29,504.02 × 5,818.34
  4. Step 4: Simplify right side
    19,669.34x = 171,664,419.73
  5. Step 5: Solve for x
    x = 171,664,419.73/19,669.34
  6. Step 6: Final answer
    x = 8,727.51

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1.5x scale

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.