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Finding the Fourth Proportional to 9,910.14, 13,671.90 and 6,554.58

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Solution

The fourth proportional to 9,910.14, 13,671.90 and 6,554.58 is: 9,042.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910.14 : 13,671.90 = 6,554.58 : x
  2. Step 2: Convert to fraction form
    9,910.14/13,671.90 = 6,554.58/x
  3. Step 3: Cross multiply
    9,910.14x = 13,671.90 × 6,554.58
  4. Step 4: Simplify right side
    9,910.14x = 89,613,562.30
  5. Step 5: Solve for x
    x = 89,613,562.30/9,910.14
  6. Step 6: Final answer
    x = 9,042.61

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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.