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Finding the Fourth Proportional to 30,087.72, 41,512.50 and 17,510.04

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Solution

The fourth proportional to 30,087.72, 41,512.50 and 17,510.04 is: 24,158.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,087.72 : 41,512.50 = 17,510.04 : x
  2. Step 2: Convert to fraction form
    30,087.72/41,512.50 = 17,510.04/x
  3. Step 3: Cross multiply
    30,087.72x = 41,512.50 × 17,510.04
  4. Step 4: Simplify right side
    30,087.72x = 726,885,535.50
  5. Step 5: Solve for x
    x = 726,885,535.50/30,087.72
  6. Step 6: Final answer
    x = 24,158.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.