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Finding the Fourth Proportional to 33,999.40, 50,955.90 and 16,431.40

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Solution

The fourth proportional to 33,999.40, 50,955.90 and 16,431.40 is: 24,626.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,999.40 : 50,955.90 = 16,431.40 : x
  2. Step 2: Convert to fraction form
    33,999.40/50,955.90 = 16,431.40/x
  3. Step 3: Cross multiply
    33,999.40x = 50,955.90 × 16,431.40
  4. Step 4: Simplify right side
    33,999.40x = 837,276,775.26
  5. Step 5: Solve for x
    x = 837,276,775.26/33,999.40
  6. Step 6: Final answer
    x = 24,626.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.