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Finding the Fourth Proportional to 27,248.53, 40,872.79 and 7,527.09

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Solution

The fourth proportional to 27,248.53, 40,872.79 and 7,527.09 is: 11,290.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,248.53 : 40,872.79 = 7,527.09 : x
  2. Step 2: Convert to fraction form
    27,248.53/40,872.79 = 7,527.09/x
  3. Step 3: Cross multiply
    27,248.53x = 40,872.79 × 7,527.09
  4. Step 4: Simplify right side
    27,248.53x = 307,652,944.36
  5. Step 5: Solve for x
    x = 307,652,944.36/27,248.53
  6. Step 6: Final answer
    x = 11,290.63

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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.