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Finding the Fourth Proportional to 5,673.69, 8,509.95 and 3,836.61

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Solution

The fourth proportional to 5,673.69, 8,509.95 and 3,836.61 is: 5,754.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,673.69 : 8,509.95 = 3,836.61 : x
  2. Step 2: Convert to fraction form
    5,673.69/8,509.95 = 3,836.61/x
  3. Step 3: Cross multiply
    5,673.69x = 8,509.95 × 3,836.61
  4. Step 4: Simplify right side
    5,673.69x = 32,649,359.27
  5. Step 5: Solve for x
    x = 32,649,359.27/5,673.69
  6. Step 6: Final answer
    x = 5,754.52

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1.5x scale

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.