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Finding the Fourth Proportional to 30,375.54, 41,921.91 and 17,800.29

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Solution

The fourth proportional to 30,375.54, 41,921.91 and 17,800.29 is: 24,566.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,375.54 : 41,921.91 = 17,800.29 : x
  2. Step 2: Convert to fraction form
    30,375.54/41,921.91 = 17,800.29/x
  3. Step 3: Cross multiply
    30,375.54x = 41,921.91 × 17,800.29
  4. Step 4: Simplify right side
    30,375.54x = 746,222,155.35
  5. Step 5: Solve for x
    x = 746,222,155.35/30,375.54
  6. Step 6: Final answer
    x = 24,566.55

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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.