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Finding the Fourth Proportional to 33,146.96, 45,742.96 and 19,000.64

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Solution

The fourth proportional to 33,146.96, 45,742.96 and 19,000.64 is: 26,220.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,146.96 : 45,742.96 = 19,000.64 : x
  2. Step 2: Convert to fraction form
    33,146.96/45,742.96 = 19,000.64/x
  3. Step 3: Cross multiply
    33,146.96x = 45,742.96 × 19,000.64
  4. Step 4: Simplify right side
    33,146.96x = 869,145,515.49
  5. Step 5: Solve for x
    x = 869,145,515.49/33,146.96
  6. Step 6: Final answer
    x = 26,220.97

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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.