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Finding the Fourth Proportional to 16,854.10, 23,630.30 and 16,854.10

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Solution

The fourth proportional to 16,854.10, 23,630.30 and 16,854.10 is: 23,630.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,854.10 : 23,630.30 = 16,854.10 : x
  2. Step 2: Convert to fraction form
    16,854.10/23,630.30 = 16,854.10/x
  3. Step 3: Cross multiply
    16,854.10x = 23,630.30 × 16,854.10
  4. Step 4: Simplify right side
    16,854.10x = 398,267,439.23
  5. Step 5: Solve for x
    x = 398,267,439.23/16,854.10
  6. Step 6: Final answer
    x = 23,630.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.