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Finding the Fourth Proportional to 29,361.69, 40,512.11 and 16,783.29

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Solution

The fourth proportional to 29,361.69, 40,512.11 and 16,783.29 is: 23,156.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,361.69 : 40,512.11 = 16,783.29 : x
  2. Step 2: Convert to fraction form
    29,361.69/40,512.11 = 16,783.29/x
  3. Step 3: Cross multiply
    29,361.69x = 40,512.11 × 16,783.29
  4. Step 4: Simplify right side
    29,361.69x = 679,926,406.73
  5. Step 5: Solve for x
    x = 679,926,406.73/29,361.69
  6. Step 6: Final answer
    x = 23,156.92

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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.