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Finding the Fourth Proportional to 50,476.72, 69,660.92 and 27,815.67

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Solution

The fourth proportional to 50,476.72, 69,660.92 and 27,815.67 is: 38,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,476.72 : 69,660.92 = 27,815.67 : x
  2. Step 2: Convert to fraction form
    50,476.72/69,660.92 = 27,815.67/x
  3. Step 3: Cross multiply
    50,476.72x = 69,660.92 × 27,815.67
  4. Step 4: Simplify right side
    50,476.72x = 1,937,665,162.62
  5. Step 5: Solve for x
    x = 1,937,665,162.62/50,476.72
  6. Step 6: Final answer
    x = 38,387.30

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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.