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Finding the Fourth Proportional to 5,811.34, 8,717.58 and 1,651.54

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Solution

The fourth proportional to 5,811.34, 8,717.58 and 1,651.54 is: 2,477.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.34 : 8,717.58 = 1,651.54 : x
  2. Step 2: Convert to fraction form
    5,811.34/8,717.58 = 1,651.54/x
  3. Step 3: Cross multiply
    5,811.34x = 8,717.58 × 1,651.54
  4. Step 4: Simplify right side
    5,811.34x = 14,397,432.07
  5. Step 5: Solve for x
    x = 14,397,432.07/5,811.34
  6. Step 6: Final answer
    x = 2,477.47

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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.