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Finding the Fourth Proportional to 8,857.86, 13,275.24 and 4,472.94

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Solution

The fourth proportional to 8,857.86, 13,275.24 and 4,472.94 is: 6,703.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.86 : 13,275.24 = 4,472.94 : x
  2. Step 2: Convert to fraction form
    8,857.86/13,275.24 = 4,472.94/x
  3. Step 3: Cross multiply
    8,857.86x = 13,275.24 × 4,472.94
  4. Step 4: Simplify right side
    8,857.86x = 59,379,352.01
  5. Step 5: Solve for x
    x = 59,379,352.01/8,857.86
  6. Step 6: Final answer
    x = 6,703.58

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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.