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Finding the Fourth Proportional to 29,673.90, 40,949.91 and 16,245.03

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Solution

The fourth proportional to 29,673.90, 40,949.91 and 16,245.03 is: 22,418.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,673.90 : 40,949.91 = 16,245.03 : x
  2. Step 2: Convert to fraction form
    29,673.90/40,949.91 = 16,245.03/x
  3. Step 3: Cross multiply
    29,673.90x = 40,949.91 × 16,245.03
  4. Step 4: Simplify right side
    29,673.90x = 665,232,670.01
  5. Step 5: Solve for x
    x = 665,232,670.01/29,673.90
  6. Step 6: Final answer
    x = 22,418.11

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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.