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Finding the Fourth Proportional to 16,676.30, 23,385.70 and 16,676.30

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Solution

The fourth proportional to 16,676.30, 23,385.70 and 16,676.30 is: 23,385.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,676.30 : 23,385.70 = 16,676.30 : x
  2. Step 2: Convert to fraction form
    16,676.30/23,385.70 = 16,676.30/x
  3. Step 3: Cross multiply
    16,676.30x = 23,385.70 × 16,676.30
  4. Step 4: Simplify right side
    16,676.30x = 389,986,948.91
  5. Step 5: Solve for x
    x = 389,986,948.91/16,676.30
  6. Step 6: Final answer
    x = 23,385.70

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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.