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Finding the Fourth Proportional to 8,932.69, 13,399.60 and 2,358.70

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Solution

The fourth proportional to 8,932.69, 13,399.60 and 2,358.70 is: 3,538.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,932.69 : 13,399.60 = 2,358.70 : x
  2. Step 2: Convert to fraction form
    8,932.69/13,399.60 = 2,358.70/x
  3. Step 3: Cross multiply
    8,932.69x = 13,399.60 × 2,358.70
  4. Step 4: Simplify right side
    8,932.69x = 31,605,683.55
  5. Step 5: Solve for x
    x = 31,605,683.55/8,932.69
  6. Step 6: Final answer
    x = 3,538.21

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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.