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Finding the Fourth Proportional to 29,642.01, 40,905.44 and 16,212.97

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Solution

The fourth proportional to 29,642.01, 40,905.44 and 16,212.97 is: 22,373.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,642.01 : 40,905.44 = 16,212.97 : x
  2. Step 2: Convert to fraction form
    29,642.01/40,905.44 = 16,212.97/x
  3. Step 3: Cross multiply
    29,642.01x = 40,905.44 × 16,212.97
  4. Step 4: Simplify right side
    29,642.01x = 663,198,467.03
  5. Step 5: Solve for x
    x = 663,198,467.03/29,642.01
  6. Step 6: Final answer
    x = 22,373.60

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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.