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Finding the Fourth Proportional to 5,802.98, 8,705.68 and 1,906.88

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Solution

The fourth proportional to 5,802.98, 8,705.68 and 1,906.88 is: 2,860.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,802.98 : 8,705.68 = 1,906.88 : x
  2. Step 2: Convert to fraction form
    5,802.98/8,705.68 = 1,906.88/x
  3. Step 3: Cross multiply
    5,802.98x = 8,705.68 × 1,906.88
  4. Step 4: Simplify right side
    5,802.98x = 16,600,638.78
  5. Step 5: Solve for x
    x = 16,600,638.78/5,802.98
  6. Step 6: Final answer
    x = 2,860.71

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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.