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Finding the Fourth Proportional to 22,757.59, 34,151.87 and 13,965.67

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Solution

The fourth proportional to 22,757.59, 34,151.87 and 13,965.67 is: 20,958.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,757.59 : 34,151.87 = 13,965.67 : x
  2. Step 2: Convert to fraction form
    22,757.59/34,151.87 = 13,965.67/x
  3. Step 3: Cross multiply
    22,757.59x = 34,151.87 × 13,965.67
  4. Step 4: Simplify right side
    22,757.59x = 476,953,746.30
  5. Step 5: Solve for x
    x = 476,953,746.30/22,757.59
  6. Step 6: Final answer
    x = 20,958.01

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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.