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Finding the Fourth Proportional to 12,881.46, 17,793.09 and 10,652.34

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Solution

The fourth proportional to 12,881.46, 17,793.09 and 10,652.34 is: 14,714.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,881.46 : 17,793.09 = 10,652.34 : x
  2. Step 2: Convert to fraction form
    12,881.46/17,793.09 = 10,652.34/x
  3. Step 3: Cross multiply
    12,881.46x = 17,793.09 × 10,652.34
  4. Step 4: Simplify right side
    12,881.46x = 189,538,044.33
  5. Step 5: Solve for x
    x = 189,538,044.33/12,881.46
  6. Step 6: Final answer
    x = 14,714.02

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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.