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Finding the Fourth Proportional to 8,808.48, 13,212.72 and 2,652.48

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Solution

The fourth proportional to 8,808.48, 13,212.72 and 2,652.48 is: 3,978.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.48 : 13,212.72 = 2,652.48 : x
  2. Step 2: Convert to fraction form
    8,808.48/13,212.72 = 2,652.48/x
  3. Step 3: Cross multiply
    8,808.48x = 13,212.72 × 2,652.48
  4. Step 4: Simplify right side
    8,808.48x = 35,046,475.55
  5. Step 5: Solve for x
    x = 35,046,475.55/8,808.48
  6. Step 6: Final answer
    x = 3,978.72

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Similar ratio
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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.