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Finding the Fourth Proportional to 5,815.69, 8,714.87 and 2,526.99

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Solution

The fourth proportional to 5,815.69, 8,714.87 and 2,526.99 is: 3,786.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.69 : 8,714.87 = 2,526.99 : x
  2. Step 2: Convert to fraction form
    5,815.69/8,714.87 = 2,526.99/x
  3. Step 3: Cross multiply
    5,815.69x = 8,714.87 × 2,526.99
  4. Step 4: Simplify right side
    5,815.69x = 22,022,389.34
  5. Step 5: Solve for x
    x = 22,022,389.34/5,815.69
  6. Step 6: Final answer
    x = 3,786.72

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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.