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Finding the Fourth Proportional to 8,008.78, 11,052 and 4,472.04

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Solution

The fourth proportional to 8,008.78, 11,052 and 4,472.04 is: 6,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,008.78 : 11,052 = 4,472.04 : x
  2. Step 2: Convert to fraction form
    8,008.78/11,052 = 4,472.04/x
  3. Step 3: Cross multiply
    8,008.78x = 11,052 × 4,472.04
  4. Step 4: Simplify right side
    8,008.78x = 49,424,986.08
  5. Step 5: Solve for x
    x = 49,424,986.08/8,008.78
  6. Step 6: Final answer
    x = 6,171.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.