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Finding the Fourth Proportional to 17,082.80, 25,672.80 and 14,944.40

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Solution

The fourth proportional to 17,082.80, 25,672.80 and 14,944.40 is: 22,459.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,082.80 : 25,672.80 = 14,944.40 : x
  2. Step 2: Convert to fraction form
    17,082.80/25,672.80 = 14,944.40/x
  3. Step 3: Cross multiply
    17,082.80x = 25,672.80 × 14,944.40
  4. Step 4: Simplify right side
    17,082.80x = 383,664,592.32
  5. Step 5: Solve for x
    x = 383,664,592.32/17,082.80
  6. Step 6: Final answer
    x = 22,459.12

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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.