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Finding the Fourth Proportional to 7,308.94, 10,086.52 and 4,165.06

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Solution

The fourth proportional to 7,308.94, 10,086.52 and 4,165.06 is: 5,747.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.94 : 10,086.52 = 4,165.06 : x
  2. Step 2: Convert to fraction form
    7,308.94/10,086.52 = 4,165.06/x
  3. Step 3: Cross multiply
    7,308.94x = 10,086.52 × 4,165.06
  4. Step 4: Simplify right side
    7,308.94x = 42,010,960.99
  5. Step 5: Solve for x
    x = 42,010,960.99/7,308.94
  6. Step 6: Final answer
    x = 5,747.89

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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.