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Finding the Fourth Proportional to 18,176.76, 27,252.38 and 7,074.08

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Solution

The fourth proportional to 18,176.76, 27,252.38 and 7,074.08 is: 10,606.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176.76 : 27,252.38 = 7,074.08 : x
  2. Step 2: Convert to fraction form
    18,176.76/27,252.38 = 7,074.08/x
  3. Step 3: Cross multiply
    18,176.76x = 27,252.38 × 7,074.08
  4. Step 4: Simplify right side
    18,176.76x = 192,785,516.31
  5. Step 5: Solve for x
    x = 192,785,516.31/18,176.76
  6. Step 6: Final answer
    x = 10,606.15

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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.