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Finding the Fourth Proportional to 51,191.44, 76,734.54 and 19,594.09

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Solution

The fourth proportional to 51,191.44, 76,734.54 and 19,594.09 is: 29,370.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,191.44 : 76,734.54 = 19,594.09 : x
  2. Step 2: Convert to fraction form
    51,191.44/76,734.54 = 19,594.09/x
  3. Step 3: Cross multiply
    51,191.44x = 76,734.54 × 19,594.09
  4. Step 4: Simplify right side
    51,191.44x = 1,503,543,482.87
  5. Step 5: Solve for x
    x = 1,503,543,482.87/51,191.44
  6. Step 6: Final answer
    x = 29,370.99

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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.