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Finding the Fourth Proportional to 26,644.92, 39,972.88 and 10,004.88

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Solution

The fourth proportional to 26,644.92, 39,972.88 and 10,004.88 is: 15,009.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,644.92 : 39,972.88 = 10,004.88 : x
  2. Step 2: Convert to fraction form
    26,644.92/39,972.88 = 10,004.88/x
  3. Step 3: Cross multiply
    26,644.92x = 39,972.88 × 10,004.88
  4. Step 4: Simplify right side
    26,644.92x = 399,923,867.65
  5. Step 5: Solve for x
    x = 399,923,867.65/26,644.92
  6. Step 6: Final answer
    x = 15,009.39

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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.