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Finding the Fourth Proportional to 8,465.67, 12,700.52 and 3,532.56

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Solution

The fourth proportional to 8,465.67, 12,700.52 and 3,532.56 is: 5,299.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.67 : 12,700.52 = 3,532.56 : x
  2. Step 2: Convert to fraction form
    8,465.67/12,700.52 = 3,532.56/x
  3. Step 3: Cross multiply
    8,465.67x = 12,700.52 × 3,532.56
  4. Step 4: Simplify right side
    8,465.67x = 44,865,331.27
  5. Step 5: Solve for x
    x = 44,865,331.27/8,465.67
  6. Step 6: Final answer
    x = 5,299.68

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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.