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Finding the Fourth Proportional to 29,807.76, 41,136.72 and 17,064.96

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Solution

The fourth proportional to 29,807.76, 41,136.72 and 17,064.96 is: 23,550.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,807.76 : 41,136.72 = 17,064.96 : x
  2. Step 2: Convert to fraction form
    29,807.76/41,136.72 = 17,064.96/x
  3. Step 3: Cross multiply
    29,807.76x = 41,136.72 × 17,064.96
  4. Step 4: Simplify right side
    29,807.76x = 701,996,481.33
  5. Step 5: Solve for x
    x = 701,996,481.33/29,807.76
  6. Step 6: Final answer
    x = 23,550.80

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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.