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Finding the Fourth Proportional to 8,808.28, 13,212.36 and 2,652.28

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Solution

The fourth proportional to 8,808.28, 13,212.36 and 2,652.28 is: 3,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.28 : 13,212.36 = 2,652.28 : x
  2. Step 2: Convert to fraction form
    8,808.28/13,212.36 = 2,652.28/x
  3. Step 3: Cross multiply
    8,808.28x = 13,212.36 × 2,652.28
  4. Step 4: Simplify right side
    8,808.28x = 35,042,878.18
  5. Step 5: Solve for x
    x = 35,042,878.18/8,808.28
  6. Step 6: Final answer
    x = 3,978.40

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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.