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Finding the Fourth Proportional to 13,221.08, 19,834.92 and 9,333.08

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Solution

The fourth proportional to 13,221.08, 19,834.92 and 9,333.08 is: 14,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,221.08 : 19,834.92 = 9,333.08 : x
  2. Step 2: Convert to fraction form
    13,221.08/19,834.92 = 9,333.08/x
  3. Step 3: Cross multiply
    13,221.08x = 19,834.92 × 9,333.08
  4. Step 4: Simplify right side
    13,221.08x = 185,120,895.15
  5. Step 5: Solve for x
    x = 185,120,895.15/13,221.08
  6. Step 6: Final answer
    x = 14,001.95

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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.