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Finding the Fourth Proportional to 12,593.63, 17,379.62 and 6,928.08

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Solution

The fourth proportional to 12,593.63, 17,379.62 and 6,928.08 is: 9,560.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,593.63 : 17,379.62 = 6,928.08 : x
  2. Step 2: Convert to fraction form
    12,593.63/17,379.62 = 6,928.08/x
  3. Step 3: Cross multiply
    12,593.63x = 17,379.62 × 6,928.08
  4. Step 4: Simplify right side
    12,593.63x = 120,407,363.09
  5. Step 5: Solve for x
    x = 120,407,363.09/12,593.63
  6. Step 6: Final answer
    x = 9,560.98

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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.