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Finding the Fourth Proportional to 29,654.79, 40,923.43 and 16,225.80

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Solution

The fourth proportional to 29,654.79, 40,923.43 and 16,225.80 is: 22,391.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,654.79 : 40,923.43 = 16,225.80 : x
  2. Step 2: Convert to fraction form
    29,654.79/40,923.43 = 16,225.80/x
  3. Step 3: Cross multiply
    29,654.79x = 40,923.43 × 16,225.80
  4. Step 4: Simplify right side
    29,654.79x = 664,015,390.49
  5. Step 5: Solve for x
    x = 664,015,390.49/29,654.79
  6. Step 6: Final answer
    x = 22,391.51

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1.5x scale

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.