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Finding the Fourth Proportional to 7,325.70, 10,980.80 and 2,394.02

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Solution

The fourth proportional to 7,325.70, 10,980.80 and 2,394.02 is: 3,588.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.70 : 10,980.80 = 2,394.02 : x
  2. Step 2: Convert to fraction form
    7,325.70/10,980.80 = 2,394.02/x
  3. Step 3: Cross multiply
    7,325.70x = 10,980.80 × 2,394.02
  4. Step 4: Simplify right side
    7,325.70x = 26,288,187.94
  5. Step 5: Solve for x
    x = 26,288,187.94/7,325.70
  6. Step 6: Final answer
    x = 3,588.49

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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.