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Finding the Fourth Proportional to 55,173.85, 82,761.55 and 15,730.97

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Solution

The fourth proportional to 55,173.85, 82,761.55 and 15,730.97 is: 23,596.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,173.85 : 82,761.55 = 15,730.97 : x
  2. Step 2: Convert to fraction form
    55,173.85/82,761.55 = 15,730.97/x
  3. Step 3: Cross multiply
    55,173.85x = 82,761.55 × 15,730.97
  4. Step 4: Simplify right side
    55,173.85x = 1,301,919,302.99
  5. Step 5: Solve for x
    x = 1,301,919,302.99/55,173.85
  6. Step 6: Final answer
    x = 23,596.67

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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.