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Finding the Fourth Proportional to 20,594.98, 30,893.70 and 5,805.16

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Solution

The fourth proportional to 20,594.98, 30,893.70 and 5,805.16 is: 8,708.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,594.98 : 30,893.70 = 5,805.16 : x
  2. Step 2: Convert to fraction form
    20,594.98/30,893.70 = 5,805.16/x
  3. Step 3: Cross multiply
    20,594.98x = 30,893.70 × 5,805.16
  4. Step 4: Simplify right side
    20,594.98x = 179,342,871.49
  5. Step 5: Solve for x
    x = 179,342,871.49/20,594.98
  6. Step 6: Final answer
    x = 8,708.09

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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.