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Finding the Fourth Proportional to 29,361.46, 40,526.08 and 18,033.70

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Solution

The fourth proportional to 29,361.46, 40,526.08 and 18,033.70 is: 24,890.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,361.46 : 40,526.08 = 18,033.70 : x
  2. Step 2: Convert to fraction form
    29,361.46/40,526.08 = 18,033.70/x
  3. Step 3: Cross multiply
    29,361.46x = 40,526.08 × 18,033.70
  4. Step 4: Simplify right side
    29,361.46x = 730,835,168.90
  5. Step 5: Solve for x
    x = 730,835,168.90/29,361.46
  6. Step 6: Final answer
    x = 24,890.97

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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.