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Finding the Fourth Proportional to 29,481.69, 40,683.79 and 16,052.84

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Solution

The fourth proportional to 29,481.69, 40,683.79 and 16,052.84 is: 22,152.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,481.69 : 40,683.79 = 16,052.84 : x
  2. Step 2: Convert to fraction form
    29,481.69/40,683.79 = 16,052.84/x
  3. Step 3: Cross multiply
    29,481.69x = 40,683.79 × 16,052.84
  4. Step 4: Simplify right side
    29,481.69x = 653,090,371.46
  5. Step 5: Solve for x
    x = 653,090,371.46/29,481.69
  6. Step 6: Final answer
    x = 22,152.41

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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.