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Finding the Fourth Proportional to 53,458.20, 80,100.90 and 33,701.40

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Solution

The fourth proportional to 53,458.20, 80,100.90 and 33,701.40 is: 50,497.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,458.20 : 80,100.90 = 33,701.40 : x
  2. Step 2: Convert to fraction form
    53,458.20/80,100.90 = 33,701.40/x
  3. Step 3: Cross multiply
    53,458.20x = 80,100.90 × 33,701.40
  4. Step 4: Simplify right side
    53,458.20x = 2,699,512,471.26
  5. Step 5: Solve for x
    x = 2,699,512,471.26/53,458.20
  6. Step 6: Final answer
    x = 50,497.63

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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.