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Finding the Fourth Proportional to 8,295.80, 12,448.92 and 3,365.46

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Solution

The fourth proportional to 8,295.80, 12,448.92 and 3,365.46 is: 5,050.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,295.80 : 12,448.92 = 3,365.46 : x
  2. Step 2: Convert to fraction form
    8,295.80/12,448.92 = 3,365.46/x
  3. Step 3: Cross multiply
    8,295.80x = 12,448.92 × 3,365.46
  4. Step 4: Simplify right side
    8,295.80x = 41,896,342.30
  5. Step 5: Solve for x
    x = 41,896,342.30/8,295.80
  6. Step 6: Final answer
    x = 5,050.31

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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.