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Finding the Fourth Proportional to 45,609.90, 68,414.84 and 33,208.84

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Solution

The fourth proportional to 45,609.90, 68,414.84 and 33,208.84 is: 49,813.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,609.90 : 68,414.84 = 33,208.84 : x
  2. Step 2: Convert to fraction form
    45,609.90/68,414.84 = 33,208.84/x
  3. Step 3: Cross multiply
    45,609.90x = 68,414.84 × 33,208.84
  4. Step 4: Simplify right side
    45,609.90x = 2,271,977,475.19
  5. Step 5: Solve for x
    x = 2,271,977,475.19/45,609.90
  6. Step 6: Final answer
    x = 49,813.25

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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.