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Finding the Fourth Proportional to 19,654.24, 29,471.78 and 9,799.24

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Solution

The fourth proportional to 19,654.24, 29,471.78 and 9,799.24 is: 14,694.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,654.24 : 29,471.78 = 9,799.24 : x
  2. Step 2: Convert to fraction form
    19,654.24/29,471.78 = 9,799.24/x
  3. Step 3: Cross multiply
    19,654.24x = 29,471.78 × 9,799.24
  4. Step 4: Simplify right side
    19,654.24x = 288,801,045.45
  5. Step 5: Solve for x
    x = 288,801,045.45/19,654.24
  6. Step 6: Final answer
    x = 14,694.08

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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.