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Finding the Fourth Proportional to 38,656.24, 57,984.90 and 10,954.24

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Solution

The fourth proportional to 38,656.24, 57,984.90 and 10,954.24 is: 16,431.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,656.24 : 57,984.90 = 10,954.24 : x
  2. Step 2: Convert to fraction form
    38,656.24/57,984.90 = 10,954.24/x
  3. Step 3: Cross multiply
    38,656.24x = 57,984.90 × 10,954.24
  4. Step 4: Simplify right side
    38,656.24x = 635,180,510.98
  5. Step 5: Solve for x
    x = 635,180,510.98/38,656.24
  6. Step 6: Final answer
    x = 16,431.51

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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.