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Finding the Fourth Proportional to 5,690.73, 8,536.50 and 3,354.15

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Solution

The fourth proportional to 5,690.73, 8,536.50 and 3,354.15 is: 5,031.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.73 : 8,536.50 = 3,354.15 : x
  2. Step 2: Convert to fraction form
    5,690.73/8,536.50 = 3,354.15/x
  3. Step 3: Cross multiply
    5,690.73x = 8,536.50 × 3,354.15
  4. Step 4: Simplify right side
    5,690.73x = 28,632,701.48
  5. Step 5: Solve for x
    x = 28,632,701.48/5,690.73
  6. Step 6: Final answer
    x = 5,031.46

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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.