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Finding the Fourth Proportional to 7,536.56, 10,399.97 and 4,179.17

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Solution

The fourth proportional to 7,536.56, 10,399.97 and 4,179.17 is: 5,767.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,536.56 : 10,399.97 = 4,179.17 : x
  2. Step 2: Convert to fraction form
    7,536.56/10,399.97 = 4,179.17/x
  3. Step 3: Cross multiply
    7,536.56x = 10,399.97 × 4,179.17
  4. Step 4: Simplify right side
    7,536.56x = 43,463,279.07
  5. Step 5: Solve for x
    x = 43,463,279.07/7,536.56
  6. Step 6: Final answer
    x = 5,767.00

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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.