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Finding the Fourth Proportional to 8,808.89, 13,212.45 and 2,965.55

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Solution

The fourth proportional to 8,808.89, 13,212.45 and 2,965.55 is: 4,448.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.89 : 13,212.45 = 2,965.55 : x
  2. Step 2: Convert to fraction form
    8,808.89/13,212.45 = 2,965.55/x
  3. Step 3: Cross multiply
    8,808.89x = 13,212.45 × 2,965.55
  4. Step 4: Simplify right side
    8,808.89x = 39,182,115.04
  5. Step 5: Solve for x
    x = 39,182,115.04/8,808.89
  6. Step 6: Final answer
    x = 4,448.02

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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.