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Finding the Fourth Proportional to 9,480.65, 13,080.08 and 6,125.73

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Solution

The fourth proportional to 9,480.65, 13,080.08 and 6,125.73 is: 8,451.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,480.65 : 13,080.08 = 6,125.73 : x
  2. Step 2: Convert to fraction form
    9,480.65/13,080.08 = 6,125.73/x
  3. Step 3: Cross multiply
    9,480.65x = 13,080.08 × 6,125.73
  4. Step 4: Simplify right side
    9,480.65x = 80,125,004.72
  5. Step 5: Solve for x
    x = 80,125,004.72/9,480.65
  6. Step 6: Final answer
    x = 8,451.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.