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Finding the Fourth Proportional to 53,793.54, 74,234.02 and 29,919.70

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Solution

The fourth proportional to 53,793.54, 74,234.02 and 29,919.70 is: 41,288.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,793.54 : 74,234.02 = 29,919.70 : x
  2. Step 2: Convert to fraction form
    53,793.54/74,234.02 = 29,919.70/x
  3. Step 3: Cross multiply
    53,793.54x = 74,234.02 × 29,919.70
  4. Step 4: Simplify right side
    53,793.54x = 2,221,059,608.19
  5. Step 5: Solve for x
    x = 2,221,059,608.19/53,793.54
  6. Step 6: Final answer
    x = 41,288.59

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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.