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Finding the Fourth Proportional to 18,633.03, 25,714.26 and 10,676.78

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Solution

The fourth proportional to 18,633.03, 25,714.26 and 10,676.78 is: 14,734.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,633.03 : 25,714.26 = 10,676.78 : x
  2. Step 2: Convert to fraction form
    18,633.03/25,714.26 = 10,676.78/x
  3. Step 3: Cross multiply
    18,633.03x = 25,714.26 × 10,676.78
  4. Step 4: Simplify right side
    18,633.03x = 274,545,521.13
  5. Step 5: Solve for x
    x = 274,545,521.13/18,633.03
  6. Step 6: Final answer
    x = 14,734.35

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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.