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Finding the Fourth Proportional to 8,958.42, 13,440.50 and 3,695.90

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Solution

The fourth proportional to 8,958.42, 13,440.50 and 3,695.90 is: 5,545.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.42 : 13,440.50 = 3,695.90 : x
  2. Step 2: Convert to fraction form
    8,958.42/13,440.50 = 3,695.90/x
  3. Step 3: Cross multiply
    8,958.42x = 13,440.50 × 3,695.90
  4. Step 4: Simplify right side
    8,958.42x = 49,674,743.95
  5. Step 5: Solve for x
    x = 49,674,743.95/8,958.42
  6. Step 6: Final answer
    x = 5,545.03

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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.