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Finding the Fourth Proportional to 8,636.00, 12,958.10 and 3,707.05

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Solution

The fourth proportional to 8,636.00, 12,958.10 and 3,707.05 is: 5,562.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636.00 : 12,958.10 = 3,707.05 : x
  2. Step 2: Convert to fraction form
    8,636.00/12,958.10 = 3,707.05/x
  3. Step 3: Cross multiply
    8,636.00x = 12,958.10 × 3,707.05
  4. Step 4: Simplify right side
    8,636.00x = 48,036,301.48
  5. Step 5: Solve for x
    x = 48,036,301.48/8,636.00
  6. Step 6: Final answer
    x = 5,562.33

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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.