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Finding the Fourth Proportional to 17,130.92, 25,685.04 and 9,738.86

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Solution

The fourth proportional to 17,130.92, 25,685.04 and 9,738.86 is: 14,601.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,130.92 : 25,685.04 = 9,738.86 : x
  2. Step 2: Convert to fraction form
    17,130.92/25,685.04 = 9,738.86/x
  3. Step 3: Cross multiply
    17,130.92x = 25,685.04 × 9,738.86
  4. Step 4: Simplify right side
    17,130.92x = 250,143,008.65
  5. Step 5: Solve for x
    x = 250,143,008.65/17,130.92
  6. Step 6: Final answer
    x = 14,601.84

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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.