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Finding the Fourth Proportional to 6,170.45, 9,255.66 and 1,553.45

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Solution

The fourth proportional to 6,170.45, 9,255.66 and 1,553.45 is: 2,330.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,170.45 : 9,255.66 = 1,553.45 : x
  2. Step 2: Convert to fraction form
    6,170.45/9,255.66 = 1,553.45/x
  3. Step 3: Cross multiply
    6,170.45x = 9,255.66 × 1,553.45
  4. Step 4: Simplify right side
    6,170.45x = 14,378,158.75
  5. Step 5: Solve for x
    x = 14,378,158.75/6,170.45
  6. Step 6: Final answer
    x = 2,330.17

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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.