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Finding the Fourth Proportional to 8,808.86, 13,212.83 and 2,235.11

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Solution

The fourth proportional to 8,808.86, 13,212.83 and 2,235.11 is: 3,352.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.86 : 13,212.83 = 2,235.11 : x
  2. Step 2: Convert to fraction form
    8,808.86/13,212.83 = 2,235.11/x
  3. Step 3: Cross multiply
    8,808.86x = 13,212.83 × 2,235.11
  4. Step 4: Simplify right side
    8,808.86x = 29,532,051.22
  5. Step 5: Solve for x
    x = 29,532,051.22/8,808.86
  6. Step 6: Final answer
    x = 3,352.54

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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.