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Finding the Fourth Proportional to 19,624.69, 27,082.74 and 10,672.96

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Solution

The fourth proportional to 19,624.69, 27,082.74 and 10,672.96 is: 14,729.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,624.69 : 27,082.74 = 10,672.96 : x
  2. Step 2: Convert to fraction form
    19,624.69/27,082.74 = 10,672.96/x
  3. Step 3: Cross multiply
    19,624.69x = 27,082.74 × 10,672.96
  4. Step 4: Simplify right side
    19,624.69x = 289,053,000.71
  5. Step 5: Solve for x
    x = 289,053,000.71/19,624.69
  6. Step 6: Final answer
    x = 14,729.05

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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.