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Finding the Fourth Proportional to 8,855.86, 13,272.24 and 4,470.94

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Solution

The fourth proportional to 8,855.86, 13,272.24 and 4,470.94 is: 6,700.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.86 : 13,272.24 = 4,470.94 : x
  2. Step 2: Convert to fraction form
    8,855.86/13,272.24 = 4,470.94/x
  3. Step 3: Cross multiply
    8,855.86x = 13,272.24 × 4,470.94
  4. Step 4: Simplify right side
    8,855.86x = 59,339,388.71
  5. Step 5: Solve for x
    x = 59,339,388.71/8,855.86
  6. Step 6: Final answer
    x = 6,700.58

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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.