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Finding the Fourth Proportional to 17,604.68, 26,401.68 and 5,125.64

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Solution

The fourth proportional to 17,604.68, 26,401.68 and 5,125.64 is: 7,686.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,604.68 : 26,401.68 = 5,125.64 : x
  2. Step 2: Convert to fraction form
    17,604.68/26,401.68 = 5,125.64/x
  3. Step 3: Cross multiply
    17,604.68x = 26,401.68 × 5,125.64
  4. Step 4: Simplify right side
    17,604.68x = 135,325,507.08
  5. Step 5: Solve for x
    x = 135,325,507.08/17,604.68
  6. Step 6: Final answer
    x = 7,686.91

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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.