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Finding the Fourth Proportional to 57,493.28, 86,239.92 and 26,235.68

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Solution

The fourth proportional to 57,493.28, 86,239.92 and 26,235.68 is: 39,353.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,493.28 : 86,239.92 = 26,235.68 : x
  2. Step 2: Convert to fraction form
    57,493.28/86,239.92 = 26,235.68/x
  3. Step 3: Cross multiply
    57,493.28x = 86,239.92 × 26,235.68
  4. Step 4: Simplify right side
    57,493.28x = 2,262,562,944.35
  5. Step 5: Solve for x
    x = 2,262,562,944.35/57,493.28
  6. Step 6: Final answer
    x = 39,353.52

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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.