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Finding the Fourth Proportional to 7,536.36, 10,400.04 and 4,179

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Solution

The fourth proportional to 7,536.36, 10,400.04 and 4,179 is: 5,766.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,536.36 : 10,400.04 = 4,179 : x
  2. Step 2: Convert to fraction form
    7,536.36/10,400.04 = 4,179/x
  3. Step 3: Cross multiply
    7,536.36x = 10,400.04 × 4,179
  4. Step 4: Simplify right side
    7,536.36x = 43,461,767.16
  5. Step 5: Solve for x
    x = 43,461,767.16/7,536.36
  6. Step 6: Final answer
    x = 5,766.94

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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.