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Finding the Fourth Proportional to 33,157, 45,756.66 and 19,014.52

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Solution

The fourth proportional to 33,157, 45,756.66 and 19,014.52 is: 26,240.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,157 : 45,756.66 = 19,014.52 : x
  2. Step 2: Convert to fraction form
    33,157/45,756.66 = 19,014.52/x
  3. Step 3: Cross multiply
    33,157x = 45,756.66 × 19,014.52
  4. Step 4: Simplify right side
    33,157x = 870,040,926.70
  5. Step 5: Solve for x
    x = 870,040,926.70/33,157
  6. Step 6: Final answer
    x = 26,240.04

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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.