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Finding the Fourth Proportional to 18,606.52, 28,033.91 and 16,829.64

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Solution

The fourth proportional to 18,606.52, 28,033.91 and 16,829.64 is: 25,356.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,606.52 : 28,033.91 = 16,829.64 : x
  2. Step 2: Convert to fraction form
    18,606.52/28,033.91 = 16,829.64/x
  3. Step 3: Cross multiply
    18,606.52x = 28,033.91 × 16,829.64
  4. Step 4: Simplify right side
    18,606.52x = 471,800,613.09
  5. Step 5: Solve for x
    x = 471,800,613.09/18,606.52
  6. Step 6: Final answer
    x = 25,356.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.