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Finding the Fourth Proportional to 8,458.80, 11,674.04 and 4,682.28

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Solution

The fourth proportional to 8,458.80, 11,674.04 and 4,682.28 is: 6,462.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.80 : 11,674.04 = 4,682.28 : x
  2. Step 2: Convert to fraction form
    8,458.80/11,674.04 = 4,682.28/x
  3. Step 3: Cross multiply
    8,458.80x = 11,674.04 × 4,682.28
  4. Step 4: Simplify right side
    8,458.80x = 54,661,124.01
  5. Step 5: Solve for x
    x = 54,661,124.01/8,458.80
  6. Step 6: Final answer
    x = 6,462.04

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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.