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Finding the Fourth Proportional to 7,326.36, 10,109.82 and 4,182.12

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Solution

The fourth proportional to 7,326.36, 10,109.82 and 4,182.12 is: 5,771.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.36 : 10,109.82 = 4,182.12 : x
  2. Step 2: Convert to fraction form
    7,326.36/10,109.82 = 4,182.12/x
  3. Step 3: Cross multiply
    7,326.36x = 10,109.82 × 4,182.12
  4. Step 4: Simplify right side
    7,326.36x = 42,280,480.42
  5. Step 5: Solve for x
    x = 42,280,480.42/7,326.36
  6. Step 6: Final answer
    x = 5,771.01

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.