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Finding the Fourth Proportional to 17,170.20, 25,737.54 and 9,758.70

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Solution

The fourth proportional to 17,170.20, 25,737.54 and 9,758.70 is: 14,627.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,170.20 : 25,737.54 = 9,758.70 : x
  2. Step 2: Convert to fraction form
    17,170.20/25,737.54 = 9,758.70/x
  3. Step 3: Cross multiply
    17,170.20x = 25,737.54 × 9,758.70
  4. Step 4: Simplify right side
    17,170.20x = 251,164,931.60
  5. Step 5: Solve for x
    x = 251,164,931.60/17,170.20
  6. Step 6: Final answer
    x = 14,627.96

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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.