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Finding the Fourth Proportional to 12,754.87, 17,596.04 and 7,447.34

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Solution

The fourth proportional to 12,754.87, 17,596.04 and 7,447.34 is: 10,274.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754.87 : 17,596.04 = 7,447.34 : x
  2. Step 2: Convert to fraction form
    12,754.87/17,596.04 = 7,447.34/x
  3. Step 3: Cross multiply
    12,754.87x = 17,596.04 × 7,447.34
  4. Step 4: Simplify right side
    12,754.87x = 131,043,699.29
  5. Step 5: Solve for x
    x = 131,043,699.29/12,754.87
  6. Step 6: Final answer
    x = 10,274.01

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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.