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Finding the Fourth Proportional to 18,574.68, 27,873.36 and 8,042.67

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Solution

The fourth proportional to 18,574.68, 27,873.36 and 8,042.67 is: 12,068.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,574.68 : 27,873.36 = 8,042.67 : x
  2. Step 2: Convert to fraction form
    18,574.68/27,873.36 = 8,042.67/x
  3. Step 3: Cross multiply
    18,574.68x = 27,873.36 × 8,042.67
  4. Step 4: Simplify right side
    18,574.68x = 224,176,236.27
  5. Step 5: Solve for x
    x = 224,176,236.27/18,574.68
  6. Step 6: Final answer
    x = 12,068.92

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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.