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Finding the Fourth Proportional to 29,447.39, 40,638.06 and 16,019.37

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Solution

The fourth proportional to 29,447.39, 40,638.06 and 16,019.37 is: 22,107.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,447.39 : 40,638.06 = 16,019.37 : x
  2. Step 2: Convert to fraction form
    29,447.39/40,638.06 = 16,019.37/x
  3. Step 3: Cross multiply
    29,447.39x = 40,638.06 × 16,019.37
  4. Step 4: Simplify right side
    29,447.39x = 650,996,119.22
  5. Step 5: Solve for x
    x = 650,996,119.22/29,447.39
  6. Step 6: Final answer
    x = 22,107.09

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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.