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Finding the Fourth Proportional to 53,419.70, 80,168.92 and 25,339.84

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Solution

The fourth proportional to 53,419.70, 80,168.92 and 25,339.84 is: 38,028.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,419.70 : 80,168.92 = 25,339.84 : x
  2. Step 2: Convert to fraction form
    53,419.70/80,168.92 = 25,339.84/x
  3. Step 3: Cross multiply
    53,419.70x = 80,168.92 × 25,339.84
  4. Step 4: Simplify right side
    53,419.70x = 2,031,467,484.54
  5. Step 5: Solve for x
    x = 2,031,467,484.54/53,419.70
  6. Step 6: Final answer
    x = 38,028.43

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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.