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Finding the Fourth Proportional to 12,593.25, 17,378.94 and 6,928.01

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Solution

The fourth proportional to 12,593.25, 17,378.94 and 6,928.01 is: 9,560.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,593.25 : 17,378.94 = 6,928.01 : x
  2. Step 2: Convert to fraction form
    12,593.25/17,378.94 = 6,928.01/x
  3. Step 3: Cross multiply
    12,593.25x = 17,378.94 × 6,928.01
  4. Step 4: Simplify right side
    12,593.25x = 120,401,415.74
  5. Step 5: Solve for x
    x = 120,401,415.74/12,593.25
  6. Step 6: Final answer
    x = 9,560.79

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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.