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Finding the Fourth Proportional to 11,645.00, 17,460.77 and 7,951.70

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Solution

The fourth proportional to 11,645.00, 17,460.77 and 7,951.70 is: 11,922.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,645.00 : 17,460.77 = 7,951.70 : x
  2. Step 2: Convert to fraction form
    11,645.00/17,460.77 = 7,951.70/x
  3. Step 3: Cross multiply
    11,645.00x = 17,460.77 × 7,951.70
  4. Step 4: Simplify right side
    11,645.00x = 138,842,808.70
  5. Step 5: Solve for x
    x = 138,842,808.70/11,645.00
  6. Step 6: Final answer
    x = 11,922.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.