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Finding the Fourth Proportional to 12,550.08, 17,319.90 and 6,961.08

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Solution

The fourth proportional to 12,550.08, 17,319.90 and 6,961.08 is: 9,606.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.08 : 17,319.90 = 6,961.08 : x
  2. Step 2: Convert to fraction form
    12,550.08/17,319.90 = 6,961.08/x
  3. Step 3: Cross multiply
    12,550.08x = 17,319.90 × 6,961.08
  4. Step 4: Simplify right side
    12,550.08x = 120,565,209.49
  5. Step 5: Solve for x
    x = 120,565,209.49/12,550.08
  6. Step 6: Final answer
    x = 9,606.73

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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.