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Finding the Fourth Proportional to 17,140.14, 25,711.02 and 9,758.97

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Solution

The fourth proportional to 17,140.14, 25,711.02 and 9,758.97 is: 14,638.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,140.14 : 25,711.02 = 9,758.97 : x
  2. Step 2: Convert to fraction form
    17,140.14/25,711.02 = 9,758.97/x
  3. Step 3: Cross multiply
    17,140.14x = 25,711.02 × 9,758.97
  4. Step 4: Simplify right side
    17,140.14x = 250,913,072.85
  5. Step 5: Solve for x
    x = 250,913,072.85/17,140.14
  6. Step 6: Final answer
    x = 14,638.92

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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.