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Finding the Fourth Proportional to 49,644.01, 68,502.74 and 28,136.22

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Solution

The fourth proportional to 49,644.01, 68,502.74 and 28,136.22 is: 38,824.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,644.01 : 68,502.74 = 28,136.22 : x
  2. Step 2: Convert to fraction form
    49,644.01/68,502.74 = 28,136.22/x
  3. Step 3: Cross multiply
    49,644.01x = 68,502.74 × 28,136.22
  4. Step 4: Simplify right side
    49,644.01x = 1,927,408,163.24
  5. Step 5: Solve for x
    x = 1,927,408,163.24/49,644.01
  6. Step 6: Final answer
    x = 38,824.59

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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.