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Finding the Fourth Proportional to 8,809.82, 13,214.99 and 2,235.99

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Solution

The fourth proportional to 8,809.82, 13,214.99 and 2,235.99 is: 3,354.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.82 : 13,214.99 = 2,235.99 : x
  2. Step 2: Convert to fraction form
    8,809.82/13,214.99 = 2,235.99/x
  3. Step 3: Cross multiply
    8,809.82x = 13,214.99 × 2,235.99
  4. Step 4: Simplify right side
    8,809.82x = 29,548,574.31
  5. Step 5: Solve for x
    x = 29,548,574.31/8,809.82
  6. Step 6: Final answer
    x = 3,354.05

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Double scale
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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.