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Finding the Fourth Proportional to 27,951.04, 38,573.04 and 15,375.79

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Solution

The fourth proportional to 27,951.04, 38,573.04 and 15,375.79 is: 21,218.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,951.04 : 38,573.04 = 15,375.79 : x
  2. Step 2: Convert to fraction form
    27,951.04/38,573.04 = 15,375.79/x
  3. Step 3: Cross multiply
    27,951.04x = 38,573.04 × 15,375.79
  4. Step 4: Simplify right side
    27,951.04x = 593,090,769.84
  5. Step 5: Solve for x
    x = 593,090,769.84/27,951.04
  6. Step 6: Final answer
    x = 21,218.92

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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.