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Finding the Fourth Proportional to 15,051.21, 22,584.55 and 7,162.67

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Solution

The fourth proportional to 15,051.21, 22,584.55 and 7,162.67 is: 10,747.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,051.21 : 22,584.55 = 7,162.67 : x
  2. Step 2: Convert to fraction form
    15,051.21/22,584.55 = 7,162.67/x
  3. Step 3: Cross multiply
    15,051.21x = 22,584.55 × 7,162.67
  4. Step 4: Simplify right side
    15,051.21x = 161,765,678.75
  5. Step 5: Solve for x
    x = 161,765,678.75/15,051.21
  6. Step 6: Final answer
    x = 10,747.69

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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.