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Finding the Fourth Proportional to 17,138.71, 25,708.74 and 16,203.70

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Solution

The fourth proportional to 17,138.71, 25,708.74 and 16,203.70 is: 24,306.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,138.71 : 25,708.74 = 16,203.70 : x
  2. Step 2: Convert to fraction form
    17,138.71/25,708.74 = 16,203.70/x
  3. Step 3: Cross multiply
    17,138.71x = 25,708.74 × 16,203.70
  4. Step 4: Simplify right side
    17,138.71x = 416,576,710.34
  5. Step 5: Solve for x
    x = 416,576,710.34/17,138.71
  6. Step 6: Final answer
    x = 24,306.19

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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.