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Finding the Fourth Proportional to 57,481.61, 86,222.25 and 18,041.67

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Solution

The fourth proportional to 57,481.61, 86,222.25 and 18,041.67 is: 27,062.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,481.61 : 86,222.25 = 18,041.67 : x
  2. Step 2: Convert to fraction form
    57,481.61/86,222.25 = 18,041.67/x
  3. Step 3: Cross multiply
    57,481.61x = 86,222.25 × 18,041.67
  4. Step 4: Simplify right side
    57,481.61x = 1,555,593,381.16
  5. Step 5: Solve for x
    x = 1,555,593,381.16/57,481.61
  6. Step 6: Final answer
    x = 27,062.46

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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.