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Finding the Fourth Proportional to 18,344.60, 27,510.95 and 5,861.69

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Solution

The fourth proportional to 18,344.60, 27,510.95 and 5,861.69 is: 8,790.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.60 : 27,510.95 = 5,861.69 : x
  2. Step 2: Convert to fraction form
    18,344.60/27,510.95 = 5,861.69/x
  3. Step 3: Cross multiply
    18,344.60x = 27,510.95 × 5,861.69
  4. Step 4: Simplify right side
    18,344.60x = 161,260,660.51
  5. Step 5: Solve for x
    x = 161,260,660.51/18,344.60
  6. Step 6: Final answer
    x = 8,790.63

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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.