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Finding the Fourth Proportional to 7,289.59, 10,935.97 and 2,359.73

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Solution

The fourth proportional to 7,289.59, 10,935.97 and 2,359.73 is: 3,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.59 : 10,935.97 = 2,359.73 : x
  2. Step 2: Convert to fraction form
    7,289.59/10,935.97 = 2,359.73/x
  3. Step 3: Cross multiply
    7,289.59x = 10,935.97 × 2,359.73
  4. Step 4: Simplify right side
    7,289.59x = 25,805,875.91
  5. Step 5: Solve for x
    x = 25,805,875.91/7,289.59
  6. Step 6: Final answer
    x = 3,540.10

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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.