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Finding the Fourth Proportional to 12,560.96, 17,333.43 and 7,255.67

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Solution

The fourth proportional to 12,560.96, 17,333.43 and 7,255.67 is: 10,012.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560.96 : 17,333.43 = 7,255.67 : x
  2. Step 2: Convert to fraction form
    12,560.96/17,333.43 = 7,255.67/x
  3. Step 3: Cross multiply
    12,560.96x = 17,333.43 × 7,255.67
  4. Step 4: Simplify right side
    12,560.96x = 125,765,561.38
  5. Step 5: Solve for x
    x = 125,765,561.38/12,560.96
  6. Step 6: Final answer
    x = 10,012.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.