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Finding the Fourth Proportional to 8,813.46, 13,220.46 and 3,476.46

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Solution

The fourth proportional to 8,813.46, 13,220.46 and 3,476.46 is: 5,214.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.46 : 13,220.46 = 3,476.46 : x
  2. Step 2: Convert to fraction form
    8,813.46/13,220.46 = 3,476.46/x
  3. Step 3: Cross multiply
    8,813.46x = 13,220.46 × 3,476.46
  4. Step 4: Simplify right side
    8,813.46x = 45,960,400.37
  5. Step 5: Solve for x
    x = 45,960,400.37/8,813.46
  6. Step 6: Final answer
    x = 5,214.80

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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.